131343131 has 8 divisors (see below), whose sum is σ = 135054528. Its totient is φ = 127656000.

The previous prime is 131343119. The next prime is 131343137.

131343131 is nontrivially palindromic in base 10.

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 131343131 - 2¹⁴ = 131326747 is a prime.

It is a super-2 number, since 2×131343131² = 34502036121766322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131343137) 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, 5201 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (16881816).

Almost surely, 2^131343131 is an apocalyptic number.

131343131 is a deficient number, since it is larger than the sum of its proper divisors (3711397).

131343131 is a wasteful number, since it uses less digits than its factorization.

131343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133.

The product of its digits is 324, while the sum is 20.

The square root of 131343131 is about 11460.5030866886. The cubic root of 131343131 is about 508.3183506349.

It can be divided in two parts, 1313 and 43131, that added together give a palindrome (44444).

The spelling of 131343131 in words is "one hundred thirty-one million, three hundred forty-three thousand, one hundred thirty-one".