3132812780 has 12 divisors (see below), whose sum is σ = 6578906880. Its totient is φ = 1253125104.

The previous prime is 3132812779. The next prime is 3132812803. The reversal of 3132812780 is 872182313.

It is a self number, because there is not a number n which added to its sum of digits gives 3132812780.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78320300 + ... + 78320339.

It is an arithmetic number, because the mean of its divisors is an integer number (548242240).

Almost surely, 2^3132812780 is an apocalyptic number.

It is an amenable number.

3132812780 is an abundant number, since it is smaller than the sum of its proper divisors (3446094100).

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

3132812780 is a wasteful number, since it uses less digits than its factorization.

3132812780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156640648 (or 156640646 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 3132812780 is about 55971.5354443667. The cubic root of 3132812780 is about 1463.2262395472.

The spelling of 3132812780 in words is "three billion, one hundred thirty-two million, eight hundred twelve thousand, seven hundred eighty".