131302113 has 4 divisors (see below), whose sum is σ = 175069488. Its totient is φ = 87534740.

The previous prime is 131302109. The next prime is 131302117. The reversal of 131302113 is 311203131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311203131 = 3 ⋅103734377.

It is an interprime number because it is at equal distance from previous prime (131302109) and next prime (131302117).

It is a cyclic number.

It is not a de Polignac number, because 131302113 - 2² = 131302109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131302092 and 131302101.

It is not an unprimeable number, because it can be changed into a prime (131302117) 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, 21883683 + ... + 21883688.

It is an arithmetic number, because the mean of its divisors is an integer number (43767372).

Almost surely, 2^131302113 is an apocalyptic number.

It is an amenable number.

131302113 is a deficient number, since it is larger than the sum of its proper divisors (43767375).

131302113 is an equidigital number, since it uses as much as digits as its factorization.

131302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767374.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131302113 is about 11458.7134094540. The cubic root of 131302113 is about 508.2654297784.

Adding to 131302113 its reverse (311203131), we get a palindrome (442505244).

The spelling of 131302113 in words is "one hundred thirty-one million, three hundred two thousand, one hundred thirteen".