130312231031 has 2 divisors, whose sum is σ = 130312231032. Its totient is φ = 130312231030.

The previous prime is 130312231013. The next prime is 130312231081. The reversal of 130312231031 is 130132213031.

Together with previous prime (130312231013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130312231031 - 2¹⁰ = 130312230007 is a prime.

It is a super-2 number, since 2×130312231031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130312230994 and 130312231012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130312231081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65156115515 + 65156115516.

It is an arithmetic number, because the mean of its divisors is an integer number (65156115516).

Almost surely, 2^130312231031 is an apocalyptic number.

130312231031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130312231031 is an equidigital number, since it uses as much as digits as its factorization.

130312231031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 130312231031 its reverse (130132213031), we get a palindrome (260444444062).

The spelling of 130312231031 in words is "one hundred thirty billion, three hundred twelve million, two hundred thirty-one thousand, thirty-one".