131280027531 has 16 divisors (see below), whose sum is σ = 179498809728. Its totient is φ = 85295144000.

The previous prime is 131280027479. The next prime is 131280027617. The reversal of 131280027531 is 135720082131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131280027531 - 2⁶ = 131280027467 is a prime.

It is a super-2 number, since 2×131280027531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131280027492 and 131280027501.

It is not an unprimeable number, because it can be changed into a prime (131280026531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447045 + ... + 680006.

It is an arithmetic number, because the mean of its divisors is an integer number (11218675608).

Almost surely, 2^131280027531 is an apocalyptic number.

131280027531 is a deficient number, since it is larger than the sum of its proper divisors (48218782197).

131280027531 is a wasteful number, since it uses less digits than its factorization.

131280027531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128042.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 131280027531 in words is "one hundred thirty-one billion, two hundred eighty million, twenty-seven thousand, five hundred thirty-one".