231553424150531 has 8 divisors (see below), whose sum is σ = 264632592637440. Its totient is φ = 198474282637128.

The previous prime is 231553424150527. The next prime is 231553424150561. The reversal of 231553424150531 is 135051424355132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231553424150531 - 2² = 231553424150527 is a prime.

It is a super-2 number, since 2×231553424150531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231553424150561) 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 7 ways as a sum of consecutive naturals, for example, 17428070 + ... + 27691956.

It is an arithmetic number, because the mean of its divisors is an integer number (33079074079680).

Almost surely, 2^{231553424150531} is an apocalyptic number.

231553424150531 is a deficient number, since it is larger than the sum of its proper divisors (33079168486909).

231553424150531 is a wasteful number, since it uses less digits than its factorization.

231553424150531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13486753.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 231553424150531 in words is "two hundred thirty-one trillion, five hundred fifty-three billion, four hundred twenty-four million, one hundred fifty thousand, five hundred thirty-one".