12302313131 has 4 divisors (see below), whose sum is σ = 12364134000. Its totient is φ = 12240492264.

The previous prime is 12302313083. The next prime is 12302313151. The reversal of 12302313131 is 13131320321.

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 12302313131 - 2¹⁰ = 12302312107 is a prime.

It is a super-2 number, since 2×12302313131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302313151) 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, 30910136 + ... + 30910533.

It is an arithmetic number, because the mean of its divisors is an integer number (3091033500).

Almost surely, 2^12302313131 is an apocalyptic number.

12302313131 is a deficient number, since it is larger than the sum of its proper divisors (61820869).

12302313131 is an equidigital number, since it uses as much as digits as its factorization.

12302313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61820868.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12302313131 its reverse (13131320321), we get a palindrome (25433633452).

The spelling of 12302313131 in words is "twelve billion, three hundred two million, three hundred thirteen thousand, one hundred thirty-one".