311492474 has 8 divisors (see below), whose sum is σ = 474898548. Its totient is φ = 153192960.

The previous prime is 311492449. The next prime is 311492507. The reversal of 311492474 is 474294113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 282408025 + 29084449 = 16805^2 + 5393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×311492474² = 194055122717281352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276487 + ... + 1276730.

Almost surely, 2^311492474 is an apocalyptic number.

311492474 is a deficient number, since it is larger than the sum of its proper divisors (163406074).

311492474 is a wasteful number, since it uses less digits than its factorization.

311492474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553280.

The product of its digits is 24192, while the sum is 35.

The square root of 311492474 is about 17649.1493846021. The cubic root of 311492474 is about 677.8743266225.

The spelling of 311492474 in words is "three hundred eleven million, four hundred ninety-two thousand, four hundred seventy-four".