130430431 has 4 divisors (see below), whose sum is σ = 130740664. Its totient is φ = 130120200.

The previous prime is 130430411. The next prime is 130430449. The reversal of 130430431 is 134034031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130430431 - 2⁷ = 130430303 is a prime.

It is a super-2 number, since 2×130430431² = 34024194661691522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130430399 and 130430408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130430411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154485 + ... + 155326.

It is an arithmetic number, because the mean of its divisors is an integer number (32685166).

Almost surely, 2^130430431 is an apocalyptic number.

130430431 is a deficient number, since it is larger than the sum of its proper divisors (310233).

130430431 is an equidigital number, since it uses as much as digits as its factorization.

130430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310232.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130430431 is about 11420.6143004656. The cubic root of 130430431 is about 507.1381824150.

Adding to 130430431 its reverse (134034031), we get a palindrome (264464462).

The spelling of 130430431 in words is "one hundred thirty million, four hundred thirty thousand, four hundred thirty-one".