311142658660980 has 96 divisors (see below), whose sum is σ = 873883969346304. Its totient is φ = 82716093702144.

The previous prime is 311142658660859. The next prime is 311142658661099. The reversal of 311142658660980 is 89066856241113.

It is a super-2 number, since 2×311142658660980² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19674634 + ... + 31770686.

It is an arithmetic number, because the mean of its divisors is an integer number (9102958014024).

Almost surely, 2^{311142658660980} is an apocalyptic number.

311142658660980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

311142658660980 is an abundant number, since it is smaller than the sum of its proper divisors (562741310685324).

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

311142658660980 is a wasteful number, since it uses less digits than its factorization.

311142658660980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097385 (or 12097383 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 311142658660980 in words is "three hundred eleven trillion, one hundred forty-two billion, six hundred fifty-eight million, six hundred sixty thousand, nine hundred eighty".