130319831 has 2 divisors, whose sum is σ = 130319832. Its totient is φ = 130319830.

The previous prime is 130319801. The next prime is 130319837. The reversal of 130319831 is 138913031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130319831 - 2¹⁰ = 130318807 is a prime.

It is a super-2 number, since 2×130319831² = 33966516703737122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130319794 and 130319803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130319837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65159915 + 65159916.

It is an arithmetic number, because the mean of its divisors is an integer number (65159916).

Almost surely, 2^130319831 is an apocalyptic number.

130319831 is a deficient number, since it is larger than the sum of its proper divisors (1).

130319831 is an equidigital number, since it uses as much as digits as its factorization.

130319831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 130319831 is about 11415.7711522262. The cubic root of 130319831 is about 506.9947973069.

The spelling of 130319831 in words is "one hundred thirty million, three hundred nineteen thousand, eight hundred thirty-one".