313131313321032 has 64 divisors (see below), whose sum is σ = 804091512078720. Its totient is φ = 101542749078528.

The previous prime is 313131313321019. The next prime is 313131313321037. The reversal of 313131313321032 is 230123313131313.

It is not an unprimeable number, because it can be changed into a prime (313131313321037) 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, 16422673 + ... + 29932704.

It is an arithmetic number, because the mean of its divisors is an integer number (12563929876230).

Almost surely, 2^{313131313321032} is an apocalyptic number.

It is an amenable number.

313131313321032 is an abundant number, since it is smaller than the sum of its proper divisors (490960198757688).

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

313131313321032 is a wasteful number, since it uses less digits than its factorization.

313131313321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46363030 (or 46363026 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 30.

Adding to 313131313321032 its reverse (230123313131313), we get a palindrome (543254626452345).

The spelling of 313131313321032 in words is "three hundred thirteen trillion, one hundred thirty-one billion, three hundred thirteen million, three hundred twenty-one thousand, thirty-two".