316856541 has 4 divisors (see below), whose sum is σ = 422475392. Its totient is φ = 211237692.

The previous prime is 316856497. The next prime is 316856621. The reversal of 316856541 is 145658613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145658613 = 3 ⋅48552871.

It is not a de Polignac number, because 316856541 - 2¹⁷ = 316725469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316856541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316856041) 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, 52809421 + ... + 52809426.

It is an arithmetic number, because the mean of its divisors is an integer number (105618848).

Almost surely, 2^316856541 is an apocalyptic number.

It is an amenable number.

316856541 is a deficient number, since it is larger than the sum of its proper divisors (105618851).

316856541 is a wasteful number, since it uses less digits than its factorization.

316856541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105618850.

The product of its digits is 86400, while the sum is 39.

The square root of 316856541 is about 17800.4646287674. The cubic root of 316856541 is about 681.7433216509.

It can be divided in two parts, 31685 and 6541, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 316856541 in words is "three hundred sixteen million, eight hundred fifty-six thousand, five hundred forty-one".