13131201330281 has 2 divisors, whose sum is σ = 13131201330282. Its totient is φ = 13131201330280.

The previous prime is 13131201330277. The next prime is 13131201330337. The reversal of 13131201330281 is 18203310213131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12383220240400 + 747981089881 = 3518980^2 + 864859^2 .

It is a cyclic number.

It is not a de Polignac number, because 13131201330281 - 2² = 13131201330277 is a prime.

It is a super-2 number, since 2×13131201330281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13131201830281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565600665140 + 6565600665141.

It is an arithmetic number, because the mean of its divisors is an integer number (6565600665141).

Almost surely, 2^{13131201330281} is an apocalyptic number.

It is an amenable number.

13131201330281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131201330281 is an equidigital number, since it uses as much as digits as its factorization.

13131201330281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 13131201330281 in words is "thirteen trillion, one hundred thirty-one billion, two hundred one million, three hundred thirty thousand, two hundred eighty-one".