311936427 has 54 divisors (see below), whose sum is σ = 518637756. Its totient is φ = 187216920.

The previous prime is 311936423. The next prime is 311936459. The reversal of 311936427 is 724639113.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

311936427 is a `hidden beast` number, since 3 + 1 + 1 + 9 + 3 + 642 + 7 = 666.

It is not a de Polignac number, because 311936427 - 2² = 311936423 is a prime.

Its product of digits (27216) is a multiple of the sum of its prime factors (243).

It is a junction number, because it is equal to n+sod(n) for n = 311936391 and 311936400.

It is not an unprimeable number, because it can be changed into a prime (311936423) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 3028458 + ... + 3028560.

Almost surely, 2^311936427 is an apocalyptic number.

311936427 is a deficient number, since it is larger than the sum of its proper divisors (206701329).

311936427 is an equidigital number, since it uses as much as digits as its factorization.

311936427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 117 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 311936427 is about 17661.7220847798. The cubic root of 311936427 is about 678.1962193444.

The spelling of 311936427 in words is "three hundred eleven million, nine hundred thirty-six thousand, four hundred twenty-seven".