12310120131 has 4 divisors (see below), whose sum is σ = 16413493512. Its totient is φ = 8206746752.

The previous prime is 12310120093. The next prime is 12310120139. The reversal of 12310120131 is 13102101321.

It is a happy number.

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 12310120131 - 2⁷ = 12310120003 is a prime.

It is a super-3 number, since 3×12310120131³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12310120131.

It is not an unprimeable number, because it can be changed into a prime (12310120139) 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, 2051686686 + ... + 2051686691.

It is an arithmetic number, because the mean of its divisors is an integer number (4103373378).

Almost surely, 2^12310120131 is an apocalyptic number.

12310120131 is a deficient number, since it is larger than the sum of its proper divisors (4103373381).

12310120131 is an equidigital number, since it uses as much as digits as its factorization.

12310120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103373380.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12310120131 its reverse (13102101321), we get a palindrome (25412221452).

The spelling of 12310120131 in words is "twelve billion, three hundred ten million, one hundred twenty thousand, one hundred thirty-one".