531354551231 has 8 divisors (see below), whose sum is σ = 607266769920. Its totient is φ = 455443438968.

The previous prime is 531354551177. The next prime is 531354551269. The reversal of 531354551231 is 132155453135.

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

It is not a de Polignac number, because 531354551231 - 2³⁰ = 530280809407 is a prime.

It is a super-2 number, since 2×531354551231² (a number of 24 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 (531354551291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613990 + ... + 1915116.

It is an arithmetic number, because the mean of its divisors is an integer number (75908346240).

Almost surely, 2^531354551231 is an apocalyptic number.

531354551231 is a deficient number, since it is larger than the sum of its proper divisors (75912218689).

531354551231 is a wasteful number, since it uses less digits than its factorization.

531354551231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553213.

The product of its digits is 135000, while the sum is 38.

The spelling of 531354551231 in words is "five hundred thirty-one billion, three hundred fifty-four million, five hundred fifty-one thousand, two hundred thirty-one".