2431311330432 has 64 divisors (see below), whose sum is σ = 6615687123360. Its totient is φ = 790670346240.

The previous prime is 2431311330379. The next prime is 2431311330439. The reversal of 2431311330432 is 2340331131342.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2431311330432² (a number of 26 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 2431311330432.

It is not an unprimeable number, because it can be changed into a prime (2431311330439) 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, 77198158 + ... + 77229645.

Almost surely, 2^{2431311330432} is an apocalyptic number.

It is an amenable number.

2431311330432 is an abundant number, since it is smaller than the sum of its proper divisors (4184375792928).

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

2431311330432 is a wasteful number, since it uses less digits than its factorization.

2431311330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154427861 (or 154427849 counting only the distinct ones).

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

Adding to 2431311330432 its reverse (2340331131342), we get a palindrome (4771642461774).

The spelling of 2431311330432 in words is "two trillion, four hundred thirty-one billion, three hundred eleven million, three hundred thirty thousand, four hundred thirty-two".