131361331 has 8 divisors (see below), whose sum is σ = 132364800. Its totient is φ = 130362120.

The previous prime is 131361311. The next prime is 131361341. The reversal of 131361331 is 133163131.

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 131361331 - 2⁷ = 131361203 is a prime.

It is a super-2 number, since 2×131361331² = 34511598564183122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131361311) 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, 85036 + ... + 86566.

It is an arithmetic number, because the mean of its divisors is an integer number (16545600).

Almost surely, 2^131361331 is an apocalyptic number.

131361331 is a deficient number, since it is larger than the sum of its proper divisors (1003469).

131361331 is a wasteful number, since it uses less digits than its factorization.

131361331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its digits is 486, while the sum is 22.

The square root of 131361331 is about 11461.2970906438. The cubic root of 131361331 is about 508.3418284943.

The spelling of 131361331 in words is "one hundred thirty-one million, three hundred sixty-one thousand, three hundred thirty-one".