316130366421 has 24 divisors (see below), whose sum is σ = 461849595480. Its totient is φ = 208346688000.

The previous prime is 316130366417. The next prime is 316130366533. The reversal of 316130366421 is 124663031613.

316130366421 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 3 + 0 + 3 + 6 + 642 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 54774253521 + 261356112900 = 234039^2 + 511230^2 .

It is not a de Polignac number, because 316130366421 - 2² = 316130366417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316130366021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4628721 + ... + 4696521.

It is an arithmetic number, because the mean of its divisors is an integer number (19243733145).

Almost surely, 2^316130366421 is an apocalyptic number.

It is an amenable number.

316130366421 is a deficient number, since it is larger than the sum of its proper divisors (145719229059).

316130366421 is a wasteful number, since it uses less digits than its factorization.

316130366421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73717 (or 73714 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 316130366421 in words is "three hundred sixteen billion, one hundred thirty million, three hundred sixty-six thousand, four hundred twenty-one".