131030331001231 has 8 divisors (see below), whose sum is σ = 136743269339520. Its totient is φ = 125318723281752.

The previous prime is 131030331001201. The next prime is 131030331001237. The reversal of 131030331001231 is 132100133030131.

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 131030331001231 - 2³³ = 131021741066639 is a prime.

It is a super-2 number, since 2×131030331001231² (a number of 29 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 (131030331001237) 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, 332453461 + ... + 332847358.

It is an arithmetic number, because the mean of its divisors is an integer number (17092908667440).

Almost surely, 2^{131030331001231} is an apocalyptic number.

131030331001231 is a deficient number, since it is larger than the sum of its proper divisors (5712938338289).

131030331001231 is an equidigital number, since it uses as much as digits as its factorization.

131030331001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665309405.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131030331001231 its reverse (132100133030131), we get a palindrome (263130464031362).

The spelling of 131030331001231 in words is "one hundred thirty-one trillion, thirty billion, three hundred thirty-one million, one thousand, two hundred thirty-one".