131450031 has 12 divisors (see below), whose sum is σ = 190020480. Its totient is φ = 87564960.

The previous prime is 131450009. The next prime is 131450041. The reversal of 131450031 is 130054131.

131450031 is a `hidden beast` number, since 131 + 4 + 500 + 31 = 666.

It is not a de Polignac number, because 131450031 - 2¹¹ = 131447983 is a prime.

It is a super-2 number, since 2×131450031² = 34558221299801922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131449986 and 131450013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131450041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8275 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (15835040).

Almost surely, 2^131450031 is an apocalyptic number.

131450031 is a deficient number, since it is larger than the sum of its proper divisors (58570449).

131450031 is a wasteful number, since it uses less digits than its factorization.

131450031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 131450031 is about 11465.1659822263. The cubic root of 131450031 is about 508.4562197814.

The spelling of 131450031 in words is "one hundred thirty-one million, four hundred fifty thousand, thirty-one".