12302302131 has 24 divisors (see below), whose sum is σ = 20594605824. Its totient is φ = 6930871920.

The previous prime is 12302302099. The next prime is 12302302171. The reversal of 12302302131 is 13120320321.

12302302131 is a `hidden beast` number, since 1 + 230 + 2 + 302 + 131 = 666.

It is not a de Polignac number, because 12302302131 - 2⁵ = 12302302099 is a prime.

It is a super-2 number, since 2×12302302131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12302302171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1370701 + ... + 1379646.

It is an arithmetic number, because the mean of its divisors is an integer number (858108576).

Almost surely, 2^12302302131 is an apocalyptic number.

12302302131 is a deficient number, since it is larger than the sum of its proper divisors (8292303693).

12302302131 is a wasteful number, since it uses less digits than its factorization.

12302302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750431 (or 2750428 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12302302131 its reverse (13120320321), we get a palindrome (25422622452).

The spelling of 12302302131 in words is "twelve billion, three hundred two million, three hundred two thousand, one hundred thirty-one".