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130131030 = 2354337701
BaseRepresentation
bin1111100000110…
…10010001010110
3100001212100012210
413300122101112
5231303143110
620525054250
73140044521
oct760322126
9301770183
10130131030
1167501407
12376b7386
1320c63313
14133d5bb8
15b657520
hex7c1a456

130131030 has 16 divisors (see below), whose sum is σ = 312314544. Its totient is φ = 34701600.

The previous prime is 130131017. The next prime is 130131037. The reversal of 130131030 is 30131031.

It is a junction number, because it is equal to n+sod(n) for n = 130130997 and 130131015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130131037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168821 + ... + 2168880.

It is an arithmetic number, because the mean of its divisors is an integer number (19519659).

Almost surely, 2130131030 is an apocalyptic number.

130131030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130131030 is an abundant number, since it is smaller than the sum of its proper divisors (182183514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130131030 is a wasteful number, since it uses less digits than its factorization.

130131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337711.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 130131030 is about 11407.4988494411. The cubic root of 130131030 is about 506.7498425506.

Adding to 130131030 its reverse (30131031), we get a palindrome (160262061).

Subtracting from 130131030 its reverse (30131031), we obtain a palindrome (99999999).

The spelling of 130131030 in words is "one hundred thirty million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4337701 8675402 13013103 21688505 26026206 43377010 65065515 130131030