131000122013 has 4 divisors (see below), whose sum is σ = 131001076800. Its totient is φ = 130999167228.

The previous prime is 131000121979. The next prime is 131000122067. The reversal of 131000122013 is 310221000131.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131000122013 - 2¹⁰ = 131000120989 is a prime.

It is a super-2 number, since 2×131000122013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000122093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228245 + ... + 560442.

It is an arithmetic number, because the mean of its divisors is an integer number (32750269200).

Almost surely, 2^131000122013 is an apocalyptic number.

It is an amenable number.

131000122013 is a deficient number, since it is larger than the sum of its proper divisors (954787).

131000122013 is an equidigital number, since it uses as much as digits as its factorization.

131000122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954786.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131000122013 its reverse (310221000131), we get a palindrome (441221122144).

The spelling of 131000122013 in words is "one hundred thirty-one billion, one hundred twenty-two thousand, thirteen".