311456374 has 4 divisors (see below), whose sum is σ = 467184564. Its totient is φ = 155728186.

The previous prime is 311456359. The next prime is 311456381. The reversal of 311456374 is 473654113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473654113 = 379 ⋅1249747.

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 as a sum of consecutive naturals, namely, 77864092 + ... + 77864095.

It is an arithmetic number, because the mean of its divisors is an integer number (116796141).

Almost surely, 2^311456374 is an apocalyptic number.

311456374 is a deficient number, since it is larger than the sum of its proper divisors (155728190).

311456374 is a wasteful number, since it uses less digits than its factorization.

311456374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155728189.

The product of its digits is 30240, while the sum is 34.

The square root of 311456374 is about 17648.1266427913. The cubic root of 311456374 is about 677.8481385006.

The spelling of 311456374 in words is "three hundred eleven million, four hundred fifty-six thousand, three hundred seventy-four".