316126534288421 has 16 divisors (see below), whose sum is σ = 333138514114560. Its totient is φ = 299151989614080.

The previous prime is 316126534288393. The next prime is 316126534288471. The reversal of 316126534288421 is 124882435621613.

It is a cyclic number.

It is not a de Polignac number, because 316126534288421 - 2²² = 316126530094117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316126534288471) 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, 186848345 + ... + 188532641.

It is an arithmetic number, because the mean of its divisors is an integer number (20821157132160).

Almost surely, 2^{316126534288421} is an apocalyptic number.

It is an amenable number.

316126534288421 is a deficient number, since it is larger than the sum of its proper divisors (17011979826139).

316126534288421 is a wasteful number, since it uses less digits than its factorization.

316126534288421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695404.

The product of its digits is 13271040, while the sum is 56.

The spelling of 316126534288421 in words is "three hundred sixteen trillion, one hundred twenty-six billion, five hundred thirty-four million, two hundred eighty-eight thousand, four hundred twenty-one".