331245336040 has 32 divisors (see below), whose sum is σ = 745368687360. Its totient is φ = 132486280000.

The previous prime is 331245336031. The next prime is 331245336049. The reversal of 331245336040 is 40633542133.

It is an interprime number because it is at equal distance from previous prime (331245336031) and next prime (331245336049).

It is a junction number, because it is equal to n+sod(n) for n = 331245335987 and 331245336005.

It is not an unprimeable number, because it can be changed into a prime (331245336049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89265 + ... + 818815.

It is an arithmetic number, because the mean of its divisors is an integer number (23292771480).

Almost surely, 2^331245336040 is an apocalyptic number.

It is an amenable number.

331245336040 is an abundant number, since it is smaller than the sum of its proper divisors (414123351320).

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

331245336040 is a wasteful number, since it uses less digits than its factorization.

331245336040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740913 (or 740909 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 331245336040 its reverse (40633542133), we get a palindrome (371878878173).

The spelling of 331245336040 in words is "three hundred thirty-one billion, two hundred forty-five million, three hundred thirty-six thousand, forty".