313023111020 has 48 divisors (see below), whose sum is σ = 715806050400. Its totient is φ = 114528960000.

The previous prime is 313023110987. The next prime is 313023111029. The reversal of 313023111020 is 20111320313.

It is a self number, because there is not a number n which added to its sum of digits gives 313023111020.

It is not an unprimeable number, because it can be changed into a prime (313023111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14191481 + ... + 14213520.

It is an arithmetic number, because the mean of its divisors is an integer number (14912626050).

Almost surely, 2^313023111020 is an apocalyptic number.

It is an amenable number.

313023111020 is an abundant number, since it is smaller than the sum of its proper divisors (402782939380).

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

313023111020 is a wasteful number, since it uses less digits than its factorization.

313023111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28405058 (or 28405056 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 313023111020 its reverse (20111320313), we get a palindrome (333134431333).

The spelling of 313023111020 in words is "three hundred thirteen billion, twenty-three million, one hundred eleven thousand, twenty".