311013103120 has 40 divisors (see below), whose sum is σ = 723157179264. Its totient is φ = 124396344192.

The previous prime is 311013103087. The next prime is 311013103139. The reversal of 311013103120 is 21301310113.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 311013103094 and 311013103103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049727 + ... + 1312993.

Almost surely, 2^311013103120 is an apocalyptic number.

It is an amenable number.

311013103120 is an abundant number, since it is smaller than the sum of its proper divisors (412144076144).

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

311013103120 is a wasteful number, since it uses less digits than its factorization.

311013103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278047 (or 278041 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 311013103120 its reverse (21301310113), we get a palindrome (332314413233).

The spelling of 311013103120 in words is "three hundred eleven billion, thirteen million, one hundred three thousand, one hundred twenty".