131313331132131 has 4 divisors (see below), whose sum is σ = 175084441509512. Its totient is φ = 87542220754752.

The previous prime is 131313331132121. The next prime is 131313331132157. The reversal of 131313331132131 is 131231133313131.

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

It is not a de Polignac number, because 131313331132131 - 2⁷ = 131313331132003 is a prime.

It is a super-2 number, since 2×131313331132131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131313331132121) 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, 21885555188686 + ... + 21885555188691.

It is an arithmetic number, because the mean of its divisors is an integer number (43771110377378).

Almost surely, 2^{131313331132131} is an apocalyptic number.

131313331132131 is a deficient number, since it is larger than the sum of its proper divisors (43771110377381).

131313331132131 is an equidigital number, since it uses as much as digits as its factorization.

131313331132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43771110377380.

The product of its digits is 4374, while the sum is 30.

Adding to 131313331132131 its reverse (131231133313131), we get a palindrome (262544464445262).

The spelling of 131313331132131 in words is "one hundred thirty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirty-two thousand, one hundred thirty-one".