131434131 has 4 divisors (see below), whose sum is σ = 175245512. Its totient is φ = 87622752.

The previous prime is 131434129. The next prime is 131434133.

131434131 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (131434129) and next prime (131434133).

It is not a de Polignac number, because 131434131 - 2¹ = 131434129 is a prime.

It is a super-2 number, since 2×131434131² = 34549861583450322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131434098 and 131434107.

It is not an unprimeable number, because it can be changed into a prime (131434133) 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, 21905686 + ... + 21905691.

It is an arithmetic number, because the mean of its divisors is an integer number (43811378).

Almost surely, 2^131434131 is an apocalyptic number.

131434131 is a deficient number, since it is larger than the sum of its proper divisors (43811381).

131434131 is an equidigital number, since it uses as much as digits as its factorization.

131434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43811380.

The product of its digits is 432, while the sum is 21.

The square root of 131434131 is about 11464.4725565549. The cubic root of 131434131 is about 508.4357182524.

The spelling of 131434131 in words is "one hundred thirty-one million, four hundred thirty-four thousand, one hundred thirty-one".