15331531052 has 6 divisors (see below), whose sum is σ = 26830179348. Its totient is φ = 7665765524.

The previous prime is 15331531051. The next prime is 15331531057. The reversal of 15331531052 is 25013513351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15331531051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1916441378 + ... + 1916441385.

It is an arithmetic number, because the mean of its divisors is an integer number (4471696558).

Almost surely, 2^15331531052 is an apocalyptic number.

It is an amenable number.

15331531052 is a deficient number, since it is larger than the sum of its proper divisors (11498648296).

15331531052 is a wasteful number, since it uses less digits than its factorization.

15331531052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832882767 (or 3832882765 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 15331531052 in words is "fifteen billion, three hundred thirty-one million, five hundred thirty-one thousand, fifty-two".