311913742374 has 72 divisors (see below), whose sum is σ = 732549102480. Its totient is φ = 95874906816.

The previous prime is 311913742369. The next prime is 311913742391. The reversal of 311913742374 is 473247319113.

311913742374 is a `hidden beast` number, since 3 + 1 + 191 + 37 + 423 + 7 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2938132 + ... + 3042440.

It is an arithmetic number, because the mean of its divisors is an integer number (10174293090).

Almost surely, 2^311913742374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311913742374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366274551240).

311913742374 is an abundant number, since it is smaller than the sum of its proper divisors (420635360106).

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

311913742374 is a wasteful number, since it uses less digits than its factorization.

311913742374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105326 (or 105310 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The spelling of 311913742374 in words is "three hundred eleven billion, nine hundred thirteen million, seven hundred forty-two thousand, three hundred seventy-four".