131302302131 has 72 divisors (see below), whose sum is σ = 183839115024. Its totient is φ = 92657859840.

The previous prime is 131302302119. The next prime is 131302302167. The reversal of 131302302131 is 131203203131.

It is not a de Polignac number, because 131302302131 - 2²² = 131298107827 is a prime.

It is a super-2 number, since 2×131302302131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131302302031) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4814225 + ... + 4841421.

It is an arithmetic number, because the mean of its divisors is an integer number (2553321042).

Almost surely, 2^131302302131 is an apocalyptic number.

131302302131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131302302131 is a deficient number, since it is larger than the sum of its proper divisors (52536812893).

131302302131 is a wasteful number, since it uses less digits than its factorization.

131302302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27301 (or 27281 counting only the distinct ones).

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

Adding to 131302302131 its reverse (131203203131), we get a palindrome (262505505262).

The spelling of 131302302131 in words is "one hundred thirty-one billion, three hundred two million, three hundred two thousand, one hundred thirty-one".