2120431313330 has 64 divisors (see below), whose sum is σ = 4419123937920. Its totient is φ = 730483427520.

The previous prime is 2120431313323. The next prime is 2120431313347. The reversal of 2120431313330 is 333131340212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120431313330.

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, 3939509 + ... + 4445288.

It is an arithmetic number, because the mean of its divisors is an integer number (69048811530).

Almost surely, 2^{2120431313330} is an apocalyptic number.

2120431313330 is an abundant number, since it is smaller than the sum of its proper divisors (2298692624590).

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

2120431313330 is a wasteful number, since it uses less digits than its factorization.

2120431313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384856 (or 8384834 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2120431313330 its reverse (333131340212), we get a palindrome (2453562653542).

The spelling of 2120431313330 in words is "two trillion, one hundred twenty billion, four hundred thirty-one million, three hundred thirteen thousand, three hundred thirty".