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313030 = 25231361
BaseRepresentation
bin1001100011011000110
3120220101201
41030123012
540004110
610413114
72442424
oct1143306
9526351
10313030
111a4203
1213119a
13ac633
1482114
1562b3a
hex4c6c6

313030 has 16 divisors (see below), whose sum is σ = 588384. Its totient is φ = 119680.

The previous prime is 313009. The next prime is 313031. The reversal of 313030 is 30313.

It is a happy number.

313030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 312998 and 313016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313031) by changing a digit.

313030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (36774).

2313030 is an apocalyptic number.

313030 is a deficient number, since it is larger than the sum of its proper divisors (275354).

313030 is a wasteful number, since it uses less digits than its factorization.

313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 313030 is about 559.4908399608. The cubic root of 313030 is about 67.8987825159.

Adding to 313030 its reverse (30313), we get a palindrome (343343).

It can be divided in two parts, 3130 and 30, that added together give a triangular number (3160 = T79).

The spelling of 313030 in words is "three hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 23 46 115 230 1361 2722 6805 13610 31303 62606 156515 313030