131154331 has 24 divisors (see below), whose sum is σ = 169207920. Its totient is φ = 100497600.

The previous prime is 131154313. The next prime is 131154377. The reversal of 131154331 is 133451131.

It is not a de Polignac number, because 131154331 - 2⁹ = 131153819 is a prime.

It is a super-2 number, since 2×131154331² = 34402917080115122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131154311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30885 + ... + 34873.

It is an arithmetic number, because the mean of its divisors is an integer number (7050330).

Almost surely, 2^131154331 is an apocalyptic number.

131154331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131154331 is a deficient number, since it is larger than the sum of its proper divisors (38053589).

131154331 is a wasteful number, since it uses less digits than its factorization.

131154331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4068 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 131154331 is about 11452.2631387861. The cubic root of 131154331 is about 508.0746720476.

The spelling of 131154331 in words is "one hundred thirty-one million, one hundred fifty-four thousand, three hundred thirty-one".