131276131 has 4 divisors (see below), whose sum is σ = 150029872. Its totient is φ = 112522392.

The previous prime is 131276107. The next prime is 131276141. The reversal of 131276131 is 131672131.

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 131276131 - 2⁹ = 131275619 is a prime.

It is a super-2 number, since 2×131276131² = 34466845140658322, 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 = 131276096 and 131276105.

It is not an unprimeable number, because it can be changed into a prime (131276141) 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, 9376860 + ... + 9376873.

It is an arithmetic number, because the mean of its divisors is an integer number (37507468).

Almost surely, 2^131276131 is an apocalyptic number.

131276131 is a deficient number, since it is larger than the sum of its proper divisors (18753741).

131276131 is an equidigital number, since it uses as much as digits as its factorization.

131276131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753740.

The product of its digits is 756, while the sum is 25.

The square root of 131276131 is about 11457.5796309692. The cubic root of 131276131 is about 508.2319024592.

The spelling of 131276131 in words is "one hundred thirty-one million, two hundred seventy-six thousand, one hundred thirty-one".