316265991 has 8 divisors (see below), whose sum is σ = 421776624. Its totient is φ = 210799680.

The previous prime is 316265953. The next prime is 316266017. The reversal of 316265991 is 199562613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316265991 - 2⁶ = 316265927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316265951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13131 + ... + 28371.

It is an arithmetic number, because the mean of its divisors is an integer number (52722078).

Almost surely, 2^316265991 is an apocalyptic number.

316265991 is a deficient number, since it is larger than the sum of its proper divisors (105510633).

316265991 is a wasteful number, since it uses less digits than its factorization.

316265991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22161.

The product of its digits is 87480, while the sum is 42.

The square root of 316265991 is about 17783.8688422964. The cubic root of 316265991 is about 681.3195190285.

The spelling of 316265991 in words is "three hundred sixteen million, two hundred sixty-five thousand, nine hundred ninety-one".