311679490 has 32 divisors (see below), whose sum is σ = 583534080. Its totient is φ = 119755584.

The previous prime is 311679469. The next prime is 311679491. The reversal of 311679490 is 94976113.

It is not an unprimeable number, because it can be changed into a prime (311679491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23899 + ... + 34561.

It is an arithmetic number, because the mean of its divisors is an integer number (18235440).

Almost surely, 2^311679490 is an apocalyptic number.

311679490 is a deficient number, since it is larger than the sum of its proper divisors (271854590).

311679490 is a wasteful number, since it uses less digits than its factorization.

311679490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 311679490 is about 17654.4467486240. The cubic root of 311679490 is about 678.0099617695.

The spelling of 311679490 in words is "three hundred eleven million, six hundred seventy-nine thousand, four hundred ninety".