311744427 has 4 divisors (see below), whose sum is σ = 415659240. Its totient is φ = 207829616.

The previous prime is 311744417. The next prime is 311744429. The reversal of 311744427 is 724447113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311744427 - 2²⁰ = 310695851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311744429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51957402 + ... + 51957407.

It is an arithmetic number, because the mean of its divisors is an integer number (103914810).

Almost surely, 2^311744427 is an apocalyptic number.

311744427 is a deficient number, since it is larger than the sum of its proper divisors (103914813).

311744427 is a wasteful number, since it uses less digits than its factorization.

311744427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103914812.

The product of its digits is 18816, while the sum is 33.

The square root of 311744427 is about 17656.2857645655. The cubic root of 311744427 is about 678.0570452607.

The spelling of 311744427 in words is "three hundred eleven million, seven hundred forty-four thousand, four hundred twenty-seven".