131412131 has 4 divisors (see below), whose sum is σ = 135651264. Its totient is φ = 127173000.

The previous prime is 131412121. The next prime is 131412143. The reversal of 131412131 is 131214131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131412131 - 2¹⁸ = 131149987 is a prime.

It is a super-2 number, since 2×131412131² = 34538296347922322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131412101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119520 + ... + 2119581.

It is an arithmetic number, because the mean of its divisors is an integer number (33912816).

Almost surely, 2^131412131 is an apocalyptic number.

131412131 is a deficient number, since it is larger than the sum of its proper divisors (4239133).

131412131 is an equidigital number, since it uses as much as digits as its factorization.

131412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239132.

The product of its digits is 72, while the sum is 17.

The square root of 131412131 is about 11463.5130304807. The cubic root of 131412131 is about 508.4073486301.

Adding to 131412131 its reverse (131214131), we get a palindrome (262626262).

The spelling of 131412131 in words is "one hundred thirty-one million, four hundred twelve thousand, one hundred thirty-one".