312021142530244 has 48 divisors (see below), whose sum is σ = 628623662284800. Its totient is φ = 132741704862720.

The previous prime is 312021142530211. The next prime is 312021142530283. The reversal of 312021142530244 is 442035241120213.

It is a super-2 number, since 2×312021142530244² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90560829 + ... + 93943099.

It is an arithmetic number, because the mean of its divisors is an integer number (13096326297600).

Almost surely, 2^{312021142530244} is an apocalyptic number.

It is an amenable number.

312021142530244 is an abundant number, since it is smaller than the sum of its proper divisors (316602519754556).

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

312021142530244 is a wasteful number, since it uses less digits than its factorization.

312021142530244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406468 (or 3406466 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 312021142530244 its reverse (442035241120213), we get a palindrome (754056383650457).

The spelling of 312021142530244 in words is "three hundred twelve trillion, twenty-one billion, one hundred forty-two million, five hundred thirty thousand, two hundred forty-four".