331430020302432 has 96 divisors (see below), whose sum is σ = 874328520764160. Its totient is φ = 109928481062400.

The previous prime is 331430020302361. The next prime is 331430020302481. The reversal of 331430020302432 is 234203020034133.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×331430020302432² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331430020302432.

It is a congruent number.

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, 14047182 + ... + 29328882.

It is an arithmetic number, because the mean of its divisors is an integer number (9107588757960).

Almost surely, 2^{331430020302432} is an apocalyptic number.

331430020302432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331430020302432 is an abundant number, since it is smaller than the sum of its proper divisors (542898500461728).

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

331430020302432 is a wasteful number, since it uses less digits than its factorization.

331430020302432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15282836 (or 15282828 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 331430020302432 its reverse (234203020034133), we get a palindrome (565633040336565).

The spelling of 331430020302432 in words is "three hundred thirty-one trillion, four hundred thirty billion, twenty million, three hundred two thousand, four hundred thirty-two".