2931213342780 has 96 divisors (see below), whose sum is σ = 9133296782400. Its totient is φ = 780459773184.

The previous prime is 2931213342767. The next prime is 2931213342791. The reversal of 2931213342780 is 872433121392.

2931213342780 is a `hidden beast` number, since 2 + 9 + 3 + 1 + 213 + 3 + 427 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3803715 + ... + 4508954.

It is an arithmetic number, because the mean of its divisors is an integer number (95138508150).

Almost surely, 2^{2931213342780} is an apocalyptic number.

2931213342780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2931213342780 is an abundant number, since it is smaller than the sum of its proper divisors (6202083439620).

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

2931213342780 is a wasteful number, since it uses less digits than its factorization.

2931213342780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313340 (or 8313332 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 2931213342780 in words is "two trillion, nine hundred thirty-one billion, two hundred thirteen million, three hundred forty-two thousand, seven hundred eighty".