316390371 has 16 divisors (see below), whose sum is σ = 475051008. Its totient is φ = 185565600.

The previous prime is 316390363. The next prime is 316390381. The reversal of 316390371 is 173093613.

It is not a de Polignac number, because 316390371 - 2³ = 316390363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (316390301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153616 + ... + 155661.

It is an arithmetic number, because the mean of its divisors is an integer number (29690688).

Almost surely, 2^316390371 is an apocalyptic number.

316390371 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

316390371 is a deficient number, since it is larger than the sum of its proper divisors (158660637).

316390371 is a wasteful number, since it uses less digits than its factorization.

316390371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309322.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 316390371 is about 17787.3654878962. The cubic root of 316390371 is about 681.4088229874.

The spelling of 316390371 in words is "three hundred sixteen million, three hundred ninety thousand, three hundred seventy-one".