311231011100986 has 4 divisors (see below), whose sum is σ = 466846516651482. Its totient is φ = 155615505550492.

The previous prime is 311231011100959. The next prime is 311231011100993. The reversal of 311231011100986 is 689001110132113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 198155031330025 + 113075979770961 = 14076755^2 + 10633719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77807752775245 + ... + 77807752775248.

Almost surely, 2^{311231011100986} is an apocalyptic number.

311231011100986 is a deficient number, since it is larger than the sum of its proper divisors (155615505550496).

311231011100986 is a wasteful number, since it uses less digits than its factorization.

311231011100986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155615505550495.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 311231011100986 in words is "three hundred eleven trillion, two hundred thirty-one billion, eleven million, one hundred thousand, nine hundred eighty-six".