15131023332 has 96 divisors (see below), whose sum is σ = 37918605312. Its totient is φ = 4679410176.

The previous prime is 15131023291. The next prime is 15131023361. The reversal of 15131023332 is 23332013151.

15131023332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4221213 + ... + 4224795.

It is an arithmetic number, because the mean of its divisors is an integer number (394985472).

Almost surely, 2^15131023332 is an apocalyptic number.

15131023332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15131023332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18959302656).

15131023332 is an abundant number, since it is smaller than the sum of its proper divisors (22787581980).

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

15131023332 is a wasteful number, since it uses less digits than its factorization.

15131023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897 (or 3895 counting only the distinct ones).

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

Adding to 15131023332 its reverse (23332013151), we get a palindrome (38463036483).

The spelling of 15131023332 in words is "fifteen billion, one hundred thirty-one million, twenty-three thousand, three hundred thirty-two".