316421123125 has 20 divisors (see below), whose sum is σ = 396041160636. Its totient is φ = 252726320000.

The previous prime is 316421123111. The next prime is 316421123149. The reversal of 316421123125 is 521321124613.

It can be written as a sum of positive squares in 10 ways, for example, as 305170066084 + 11251057041 = 552422^2 + 106071^2 .

It is not a de Polignac number, because 316421123125 - 2²⁷ = 316286905397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24646 + ... + 795895.

Almost surely, 2^316421123125 is an apocalyptic number.

It is an amenable number.

316421123125 is a deficient number, since it is larger than the sum of its proper divisors (79620037511).

316421123125 is an frugal number, since it uses more digits than its factorization.

316421123125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821178 (or 821163 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

Adding to 316421123125 its reverse (521321124613), we get a palindrome (837742247738).

The spelling of 316421123125 in words is "three hundred sixteen billion, four hundred twenty-one million, one hundred twenty-three thousand, one hundred twenty-five".