131276031 has 4 divisors (see below), whose sum is σ = 175034712. Its totient is φ = 87517352.

The previous prime is 131276027. The next prime is 131276051. The reversal of 131276031 is 130672131.

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 131276031 - 2² = 131276027 is a prime.

It is a super-2 number, since 2×131276031² = 34466792630225922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131275992 and 131276010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131276051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21879336 + ... + 21879341.

It is an arithmetic number, because the mean of its divisors is an integer number (43758678).

Almost surely, 2^131276031 is an apocalyptic number.

131276031 is a deficient number, since it is larger than the sum of its proper divisors (43758681).

131276031 is an equidigital number, since it uses as much as digits as its factorization.

131276031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758680.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 131276031 is about 11457.5752670449. The cubic root of 131276031 is about 508.2317734101.

The spelling of 131276031 in words is "one hundred thirty-one million, two hundred seventy-six thousand, thirty-one".