311626342 has 16 divisors (see below), whose sum is σ = 476717472. Its totient is φ = 152746560.

The previous prime is 311626283. The next prime is 311626349. The reversal of 311626342 is 243626113.

311626342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×311626342² = 194221954056601928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311626342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311626349) 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, 17992 + ... + 30772.

It is an arithmetic number, because the mean of its divisors is an integer number (29794842).

Almost surely, 2^311626342 is an apocalyptic number.

311626342 is a deficient number, since it is larger than the sum of its proper divisors (165091130).

311626342 is a wasteful number, since it uses less digits than its factorization.

311626342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023.

The product of its digits is 5184, while the sum is 28.

The square root of 311626342 is about 17652.9414546132. The cubic root of 311626342 is about 677.9714211928.

The spelling of 311626342 in words is "three hundred eleven million, six hundred twenty-six thousand, three hundred forty-two".