313246621545 has 192 divisors, whose sum is σ = 607129841664. Its totient is φ = 136649410560.

The previous prime is 313246621507. The next prime is 313246621553. The reversal of 313246621545 is 545126642313.

It is not a de Polignac number, because 313246621545 - 2¹⁶ = 313246556009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313246621497 and 313246621506.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 598941654 + ... + 598942176.

It is an arithmetic number, because the mean of its divisors is an integer number (3162134592).

Almost surely, 2^313246621545 is an apocalyptic number.

It is an amenable number.

313246621545 is a deficient number, since it is larger than the sum of its proper divisors (293883220119).

313246621545 is a wasteful number, since it uses less digits than its factorization.

313246621545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1059 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 313246621545 in words is "three hundred thirteen billion, two hundred forty-six million, six hundred twenty-one thousand, five hundred forty-five".