331340402130 has 64 divisors (see below), whose sum is σ = 859909271040. Its totient is φ = 81390577664.

The previous prime is 331340402119. The next prime is 331340402137. The reversal of 331340402130 is 31204043133.

It is a self number, because there is not a number n which added to its sum of digits gives 331340402130.

It is not an unprimeable number, because it can be changed into a prime (331340402137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6887595 + ... + 6935534.

It is an arithmetic number, because the mean of its divisors is an integer number (13436082360).

Almost surely, 2^331340402130 is an apocalyptic number.

331340402130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331340402130 is an abundant number, since it is smaller than the sum of its proper divisors (528568868910).

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

331340402130 is a wasteful number, since it uses less digits than its factorization.

331340402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823203.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 331340402130 its reverse (31204043133), we get a palindrome (362544445263).

The spelling of 331340402130 in words is "three hundred thirty-one billion, three hundred forty million, four hundred two thousand, one hundred thirty".