311000012101988 has 12 divisors (see below), whose sum is σ = 593727295831152. Its totient is φ = 141363641864520.

The previous prime is 311000012101979. The next prime is 311000012102009. The reversal of 311000012101988 is 889101210000113.

It is a super-2 number, since 2×311000012101988² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3534091046570 + ... + 3534091046657.

It is an arithmetic number, because the mean of its divisors is an integer number (49477274652596).

Almost surely, 2^{311000012101988} is an apocalyptic number.

It is an amenable number.

311000012101988 is a deficient number, since it is larger than the sum of its proper divisors (282727283729164).

311000012101988 is a wasteful number, since it uses less digits than its factorization.

311000012101988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068182093242 (or 7068182093240 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 35.

The spelling of 311000012101988 in words is "three hundred eleven trillion, twelve million, one hundred one thousand, nine hundred eighty-eight".