313231434 has 32 divisors (see below), whose sum is σ = 656377344. Its totient is φ = 99462000.

The previous prime is 313231433. The next prime is 313231439. The reversal of 313231434 is 434132313.

313231434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×313231434² = 196227862491392712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313231433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30117 + ... + 39159.

It is an arithmetic number, because the mean of its divisors is an integer number (20511792).

Almost surely, 2^313231434 is an apocalyptic number.

313231434 is an abundant number, since it is smaller than the sum of its proper divisors (343145910).

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

313231434 is a wasteful number, since it uses less digits than its factorization.

313231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322.

The product of its digits is 2592, while the sum is 24.

The square root of 313231434 is about 17698.3455158950. The cubic root of 313231434 is about 679.1334362370.

Adding to 313231434 its reverse (434132313), we get a palindrome (747363747).

The spelling of 313231434 in words is "three hundred thirteen million, two hundred thirty-one thousand, four hundred thirty-four".