15530231002 has 48 divisors (see below), whose sum is σ = 28189788480. Its totient is φ = 6357187200.

The previous prime is 15530230981. The next prime is 15530231021. The reversal of 15530231002 is 20013203551.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101499 + ... + 203377.

It is an arithmetic number, because the mean of its divisors is an integer number (587287260).

Almost surely, 2^15530231002 is an apocalyptic number.

15530231002 is a deficient number, since it is larger than the sum of its proper divisors (12659557478).

15530231002 is a wasteful number, since it uses less digits than its factorization.

15530231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101959 (or 101946 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 15530231002 its reverse (20013203551), we get a palindrome (35543434553).

The spelling of 15530231002 in words is "fifteen billion, five hundred thirty million, two hundred thirty-one thousand, two".