131011122131 has 4 divisors (see below), whose sum is σ = 131967407832. Its totient is φ = 130054836432.

The previous prime is 131011122091. The next prime is 131011122233. The reversal of 131011122131 is 131221110131.

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 131011122131 - 2³⁴ = 113831252947 is a prime.

It is a super-2 number, since 2×131011122131² (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 (131011124131) 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, 478142645 + ... + 478142918.

It is an arithmetic number, because the mean of its divisors is an integer number (32991851958).

Almost surely, 2^131011122131 is an apocalyptic number.

131011122131 is a deficient number, since it is larger than the sum of its proper divisors (956285701).

131011122131 is an equidigital number, since it uses as much as digits as its factorization.

131011122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956285700.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 131011122131 its reverse (131221110131), we get a palindrome (262232232262).

The spelling of 131011122131 in words is "one hundred thirty-one billion, eleven million, one hundred twenty-two thousand, one hundred thirty-one".