130398731 has 2 divisors, whose sum is σ = 130398732. Its totient is φ = 130398730.

The previous prime is 130398677. The next prime is 130398739. The reversal of 130398731 is 137893031.

It is a strong prime.

It is an emirp because it is prime and its reverse (137893031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130398731 - 2²⁶ = 63289867 is a prime.

It is a super-2 number, since 2×130398731² = 34007658092820722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130398691 and 130398700.

It is not a weakly prime, because it can be changed into another prime (130398739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65199365 + 65199366.

It is an arithmetic number, because the mean of its divisors is an integer number (65199366).

Almost surely, 2^130398731 is an apocalyptic number.

130398731 is a deficient number, since it is larger than the sum of its proper divisors (1).

130398731 is an equidigital number, since it uses as much as digits as its factorization.

130398731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 130398731 is about 11419.2263748469. The cubic root of 130398731 is about 507.0970938878.

The spelling of 130398731 in words is "one hundred thirty million, three hundred ninety-eight thousand, seven hundred thirty-one".