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131210332301 = 1011299112201
BaseRepresentation
bin111101000110010111…
…1101100100010001101
3110112200021101111102002
41322030233230202031
54122204321113201
6140135512442045
712323341264646
oct1721457544215
9415607344362
10131210332301
11507118a2764
122151a0a9325
13c4b0875ba9
1464ca1286cd
15362e24076b
hex1e8cbec88d

131210332301 has 4 divisors (see below), whose sum is σ = 132509444604. Its totient is φ = 129911220000.

The previous prime is 131210332261. The next prime is 131210332313. The reversal of 131210332301 is 103233012131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64206492100 + 67003840201 = 253390^2 + 258851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131210332301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210337301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649556000 + ... + 649556201.

It is an arithmetic number, because the mean of its divisors is an integer number (33127361151).

Almost surely, 2131210332301 is an apocalyptic number.

It is an amenable number.

131210332301 is a deficient number, since it is larger than the sum of its proper divisors (1299112303).

131210332301 is a wasteful number, since it uses less digits than its factorization.

131210332301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299112302.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131210332301 its reverse (103233012131), we get a palindrome (234443344432).

The spelling of 131210332301 in words is "one hundred thirty-one billion, two hundred ten million, three hundred thirty-two thousand, three hundred one".

Divisors: 1 101 1299112201 131210332301