331314026340 has 48 divisors (see below), whose sum is σ = 1012013755200. Its totient is φ = 80318551680.

The previous prime is 331314026321. The next prime is 331314026377. The reversal of 331314026340 is 43620413133.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 331314026298 and 331314026307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250994815 + ... + 250996134.

It is an arithmetic number, because the mean of its divisors is an integer number (21083619900).

Almost surely, 2^331314026340 is an apocalyptic number.

331314026340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331314026340 is an abundant number, since it is smaller than the sum of its proper divisors (680699728860).

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

331314026340 is a wasteful number, since it uses less digits than its factorization.

331314026340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501990972 (or 501990970 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 331314026340 its reverse (43620413133), we get a palindrome (374934439473).

The spelling of 331314026340 in words is "three hundred thirty-one billion, three hundred fourteen million, twenty-six thousand, three hundred forty".