311954045 has 16 divisors (see below), whose sum is σ = 403522560. Its totient is φ = 230147904.

The previous prime is 311954021. The next prime is 311954051. The reversal of 311954045 is 540459113.

It is a cyclic number.

It is not a de Polignac number, because 311954045 - 2¹⁶ = 311888509 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 106916 + ... + 109794.

It is an arithmetic number, because the mean of its divisors is an integer number (25220160).

Almost surely, 2^311954045 is an apocalyptic number.

It is an amenable number.

311954045 is a deficient number, since it is larger than the sum of its proper divisors (91568515).

311954045 is a wasteful number, since it uses less digits than its factorization.

311954045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 311954045 is about 17662.2208399737. The cubic root of 311954045 is about 678.2089871554.

The spelling of 311954045 in words is "three hundred eleven million, nine hundred fifty-four thousand, forty-five".