130331309231 has 2 divisors, whose sum is σ = 130331309232. Its totient is φ = 130331309230.

The previous prime is 130331309221. The next prime is 130331309263. The reversal of 130331309231 is 132903133031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (132903133031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130331309231 - 2¹⁸ = 130331047087 is a prime.

It is a super-2 number, since 2×130331309231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130331309194 and 130331309203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130331309201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165654615 + 65165654616.

It is an arithmetic number, because the mean of its divisors is an integer number (65165654616).

Almost surely, 2^130331309231 is an apocalyptic number.

130331309231 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331309231 is an equidigital number, since it uses as much as digits as its factorization.

130331309231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 130331309231 in words is "one hundred thirty billion, three hundred thirty-one million, three hundred nine thousand, two hundred thirty-one".