131899265531 has 8 divisors (see below), whose sum is σ = 143894569728. Its totient is φ = 119904705000.

The previous prime is 131899265513. The next prime is 131899265549. The reversal of 131899265531 is 135562998131.

It is an interprime number because it is at equal distance from previous prime (131899265513) and next prime (131899265549).

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 131899265531 - 2¹⁸ = 131899003387 is a prime.

It is a super-2 number, since 2×131899265531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131899265551) 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, 224306 + ... + 560456.

It is an arithmetic number, because the mean of its divisors is an integer number (17986821216).

Almost surely, 2^131899265531 is an apocalyptic number.

131899265531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131899265531 is a deficient number, since it is larger than the sum of its proper divisors (11995304197).

131899265531 is a wasteful number, since it uses less digits than its factorization.

131899265531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371833.

The product of its digits is 1749600, while the sum is 53.

The spelling of 131899265531 in words is "one hundred thirty-one billion, eight hundred ninety-nine million, two hundred sixty-five thousand, five hundred thirty-one".