15231130332 has 48 divisors (see below), whose sum is σ = 39113286912. Its totient is φ = 4574644480.

The previous prime is 15231130289. The next prime is 15231130349. The reversal of 15231130332 is 23303113251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495648 + ... + 525479.

It is an arithmetic number, because the mean of its divisors is an integer number (814860144).

Almost surely, 2^15231130332 is an apocalyptic number.

15231130332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15231130332 is an abundant number, since it is smaller than the sum of its proper divisors (23882156580).

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

15231130332 is a wasteful number, since it uses less digits than its factorization.

15231130332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021258 (or 1021256 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 15231130332 its reverse (23303113251), we get a palindrome (38534243583).

The spelling of 15231130332 in words is "fifteen billion, two hundred thirty-one million, one hundred thirty thousand, three hundred thirty-two".