15552303231 has 48 divisors (see below), whose sum is σ = 22614072320. Its totient is φ = 9495636480.

The previous prime is 15552303227. The next prime is 15552303241. The reversal of 15552303231 is 13230325551.

It is not a de Polignac number, because 15552303231 - 2² = 15552303227 is a prime.

It is a super-2 number, since 2×15552303231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552303241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4770480 + ... + 4773738.

Almost surely, 2^15552303231 is an apocalyptic number.

15552303231 is a deficient number, since it is larger than the sum of its proper divisors (7061769089).

15552303231 is a wasteful number, since it uses less digits than its factorization.

15552303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 15552303231 its reverse (13230325551), we get a palindrome (28782628782).

The spelling of 15552303231 in words is "fifteen billion, five hundred fifty-two million, three hundred three thousand, two hundred thirty-one".