313021213000 has 32 divisors (see below), whose sum is σ = 732469640760. Its totient is φ = 125208484800.

The previous prime is 313021212997. The next prime is 313021213039. The reversal of 313021213000 is 312120313.

It can be written as a sum of positive squares in 4 ways, for example, as 78515402436 + 234505810564 = 280206^2 + 484258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156509607 + ... + 156511606.

Almost surely, 2^313021213000 is an apocalyptic number.

It is an amenable number.

313021213000 is an abundant number, since it is smaller than the sum of its proper divisors (419448427760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313021213000 is a wasteful number, since it uses less digits than its factorization.

313021213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313021234 (or 313021220 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313021213000 its reverse (312120313), we get a palindrome (313333333313).

The spelling of 313021213000 in words is "three hundred thirteen billion, twenty-one million, two hundred thirteen thousand".