130706431 has 2 divisors, whose sum is σ = 130706432. Its totient is φ = 130706430.

The previous prime is 130706413. The next prime is 130706441. The reversal of 130706431 is 134607031.

Together with previous prime (130706413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130706431 is a prime.

It is a super-2 number, since 2×130706431² = 34168342209515522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130706396 and 130706405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130706441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65353215 + 65353216.

It is an arithmetic number, because the mean of its divisors is an integer number (65353216).

Almost surely, 2^130706431 is an apocalyptic number.

130706431 is a deficient number, since it is larger than the sum of its proper divisors (1).

130706431 is an equidigital number, since it uses as much as digits as its factorization.

130706431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 130706431 is about 11432.6913279420. The cubic root of 130706431 is about 507.4956437945.

The spelling of 130706431 in words is "one hundred thirty million, seven hundred six thousand, four hundred thirty-one".