311231994161704 has 64 divisors (see below), whose sum is σ = 727557754320000. Its totient is φ = 121258811289600.

The previous prime is 311231994161653. The next prime is 311231994161707. The reversal of 311231994161704 is 407161499132113.

It is not an unprimeable number, because it can be changed into a prime (311231994161707) 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, 236657644 + ... + 237969124.

It is an arithmetic number, because the mean of its divisors is an integer number (11368089911250).

Almost surely, 2^{311231994161704} is an apocalyptic number.

It is an amenable number.

311231994161704 is an abundant number, since it is smaller than the sum of its proper divisors (416325760158296).

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

311231994161704 is a wasteful number, since it uses less digits than its factorization.

311231994161704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696754 (or 1696750 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 311231994161704 in words is "three hundred eleven trillion, two hundred thirty-one billion, nine hundred ninety-four million, one hundred sixty-one thousand, seven hundred four".