3121262240364 has 72 divisors (see below), whose sum is σ = 7937857304832. Its totient is φ = 1034094712320.

The previous prime is 3121262240359. The next prime is 3121262240419. The reversal of 3121262240364 is 4630422621213.

3121262240364 is a `hidden beast` number, since 3 + 1 + 21 + 2 + 622 + 4 + 0 + 3 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21045252 + ... + 21193044.

Almost surely, 2^{3121262240364} is an apocalyptic number.

It is an amenable number.

3121262240364 is an abundant number, since it is smaller than the sum of its proper divisors (4816595064468).

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

3121262240364 is a wasteful number, since it uses less digits than its factorization.

3121262240364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151367 (or 151362 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 3121262240364 its reverse (4630422621213), we get a palindrome (7751684861577).

The spelling of 3121262240364 in words is "three trillion, one hundred twenty-one billion, two hundred sixty-two million, two hundred forty thousand, three hundred sixty-four".