12988331131 has 2 divisors, whose sum is σ = 12988331132. Its totient is φ = 12988331130.

The previous prime is 12988331117. The next prime is 12988331141. The reversal of 12988331131 is 13113388921.

It is a strong prime.

It is an emirp because it is prime and its reverse (13113388921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12988331131 is a prime.

It is a super-2 number, since 2×12988331131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12988331141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494165565 + 6494165566.

It is an arithmetic number, because the mean of its divisors is an integer number (6494165566).

Almost surely, 2^12988331131 is an apocalyptic number.

12988331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988331131 is an equidigital number, since it uses as much as digits as its factorization.

12988331131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The spelling of 12988331131 in words is "twelve billion, nine hundred eighty-eight million, three hundred thirty-one thousand, one hundred thirty-one".