130312332281 has 2 divisors, whose sum is σ = 130312332282. Its totient is φ = 130312332280.

The previous prime is 130312332277. The next prime is 130312332331. The reversal of 130312332281 is 182233213031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120284112400 + 10028219881 = 346820^2 + 100141^2 .

It is a cyclic number.

It is not a de Polignac number, because 130312332281 - 2² = 130312332277 is a prime.

It is a super-2 number, since 2×130312332281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130312332221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65156166140 + 65156166141.

It is an arithmetic number, because the mean of its divisors is an integer number (65156166141).

Almost surely, 2^130312332281 is an apocalyptic number.

It is an amenable number.

130312332281 is a deficient number, since it is larger than the sum of its proper divisors (1).

130312332281 is an equidigital number, since it uses as much as digits as its factorization.

130312332281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 130312332281 in words is "one hundred thirty billion, three hundred twelve million, three hundred thirty-two thousand, two hundred eighty-one".