3121345024 has 40 divisors (see below), whose sum is σ = 7127543808. Its totient is φ = 1337717760.

The previous prime is 3121344983. The next prime is 3121345039. The reversal of 3121345024 is 4205431213.

It is a self number, because there is not a number n which added to its sum of digits gives 3121345024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431872 + ... + 439039.

Almost surely, 2^3121345024 is an apocalyptic number.

It is an amenable number.

3121345024 is an abundant number, since it is smaller than the sum of its proper divisors (4006198784).

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

3121345024 is an frugal number, since it uses more digits than its factorization.

3121345024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870936 (or 870920 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3121345024 is about 55868.9987739175. The cubic root of 3121345024 is about 1461.4386619636.

Adding to 3121345024 its reverse (4205431213), we get a palindrome (7326776237).

The spelling of 3121345024 in words is "three billion, one hundred twenty-one million, three hundred forty-five thousand, twenty-four".