2531322334031 has 4 divisors (see below), whose sum is σ = 2532537565272. Its totient is φ = 2530107102792.

The previous prime is 2531322333989. The next prime is 2531322334033. The reversal of 2531322334031 is 1304332231352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531322334031 is a prime.

It is a super-2 number, since 2×2531322334031² (a number of 26 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 (2531322334033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607612496 + ... + 607616661.

It is an arithmetic number, because the mean of its divisors is an integer number (633134391318).

Almost surely, 2^{2531322334031} is an apocalyptic number.

2531322334031 is a deficient number, since it is larger than the sum of its proper divisors (1215231241).

2531322334031 is a wasteful number, since it uses less digits than its factorization.

2531322334031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215231240.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 2531322334031 its reverse (1304332231352), we get a palindrome (3835654565383).

The spelling of 2531322334031 in words is "two trillion, five hundred thirty-one billion, three hundred twenty-two million, three hundred thirty-four thousand, thirty-one".