131001031431 has 8 divisors (see below), whose sum is σ = 194075602160. Its totient is φ = 87334020936.

The previous prime is 131001031423. The next prime is 131001031433. The reversal of 131001031431 is 134130100131.

131001031431 is a `hidden beast` number, since 1 + 310 + 0 + 10 + 314 + 31 = 666.

It is not a de Polignac number, because 131001031431 - 2³ = 131001031423 is a prime.

It is a super-3 number, since 3×131001031431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001031433) 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, 2425945000 + ... + 2425945053.

It is an arithmetic number, because the mean of its divisors is an integer number (24259450270).

Almost surely, 2^131001031431 is an apocalyptic number.

131001031431 is a deficient number, since it is larger than the sum of its proper divisors (63074570729).

131001031431 is an equidigital number, since it uses as much as digits as its factorization.

131001031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851890062 (or 4851890056 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131001031431 its reverse (134130100131), we get a palindrome (265131131562).

The spelling of 131001031431 in words is "one hundred thirty-one billion, one million, thirty-one thousand, four hundred thirty-one".