15993030144231 has 96 divisors (see below), whose sum is σ = 27331556016128. Its totient is φ = 8818557168960.

The previous prime is 15993030144191. The next prime is 15993030144239. The reversal of 15993030144231 is 13244103039951.

15993030144231 is a `hidden beast` number, since 1 + 599 + 3 + 0 + 3 + 0 + 14 + 42 + 3 + 1 = 666.

It is not a de Polignac number, because 15993030144231 - 2⁹ = 15993030143719 is a prime.

It is a super-2 number, since 2×15993030144231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15993030144239) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1416936870 + ... + 1416948156.

Almost surely, 2^{15993030144231} is an apocalyptic number.

15993030144231 is a deficient number, since it is larger than the sum of its proper divisors (11338525871897).

15993030144231 is a wasteful number, since it uses less digits than its factorization.

15993030144231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361 (or 13358 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 15993030144231 in words is "fifteen trillion, nine hundred ninety-three billion, thirty million, one hundred forty-four thousand, two hundred thirty-one".