131354104531 has 12 divisors (see below), whose sum is σ = 144824525328. Its totient is φ = 118430154864.

The previous prime is 131354104501. The next prime is 131354104571. The reversal of 131354104531 is 135401453131.

It is not a de Polignac number, because 131354104531 - 2⁹ = 131354104019 is a prime.

It is a super-2 number, since 2×131354104531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131354104493 and 131354104502.

It is not an unprimeable number, because it can be changed into a prime (131354104501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2708295 + ... + 2756368.

It is an arithmetic number, because the mean of its divisors is an integer number (12068710444).

Almost surely, 2^131354104531 is an apocalyptic number.

131354104531 is a deficient number, since it is larger than the sum of its proper divisors (13470420797).

131354104531 is an equidigital number, since it uses as much as digits as its factorization.

131354104531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464762 (or 5464719 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 131354104531 its reverse (135401453131), we get a palindrome (266755557662).

The spelling of 131354104531 in words is "one hundred thirty-one billion, three hundred fifty-four million, one hundred four thousand, five hundred thirty-one".