311344431102 has 16 divisors (see below), whose sum is σ = 691876513680. Its totient is φ = 103781477016.

The previous prime is 311344431077. The next prime is 311344431103. The reversal of 311344431102 is 201134443113.

311344431102 is a `hidden beast` number, since 3 + 1 + 1 + 344 + 4 + 311 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311344431103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882818753 + ... + 2882818860.

It is an arithmetic number, because the mean of its divisors is an integer number (43242282105).

Almost surely, 2^311344431102 is an apocalyptic number.

311344431102 is an abundant number, since it is smaller than the sum of its proper divisors (380532082578).

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

311344431102 is a wasteful number, since it uses less digits than its factorization.

311344431102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765637624 (or 5765637618 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 311344431102 its reverse (201134443113), we get a palindrome (512478874215).

The spelling of 311344431102 in words is "three hundred eleven billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred two".