331780872304 has 80 divisors (see below), whose sum is σ = 763892822016. Its totient is φ = 136600358400.

The previous prime is 331780872301. The next prime is 331780872307. The reversal of 331780872304 is 403278087133.

It is an interprime number because it is at equal distance from previous prime (331780872301) and next prime (331780872307).

It is a super-2 number, since 2×331780872304² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331780872301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126909 + ... + 824419.

Almost surely, 2^331780872304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331780872304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381946411008).

331780872304 is an abundant number, since it is smaller than the sum of its proper divisors (432111949712).

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

331780872304 is a wasteful number, since it uses less digits than its factorization.

331780872304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697694 (or 697688 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 331780872304 in words is "three hundred thirty-one billion, seven hundred eighty million, eight hundred seventy-two thousand, three hundred four".