313212431504 has 120 divisors (see below), whose sum is σ = 732797526528. Its totient is φ = 127024381440.

The previous prime is 313212431491. The next prime is 313212431527. The reversal of 313212431504 is 405134212313.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40064204 + ... + 40072020.

Almost surely, 2^313212431504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313212431504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366398763264).

313212431504 is an abundant number, since it is smaller than the sum of its proper divisors (419585095024).

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

313212431504 is a wasteful number, since it uses less digits than its factorization.

313212431504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8861 (or 8836 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 313212431504 its reverse (405134212313), we get a palindrome (718346643817).

The spelling of 313212431504 in words is "three hundred thirteen billion, two hundred twelve million, four hundred thirty-one thousand, five hundred four".