130343431 has 4 divisors (see below), whose sum is σ = 130438000. Its totient is φ = 130248864.

The previous prime is 130343419. The next prime is 130343453. The reversal of 130343431 is 134343031.

It is a happy number.

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 130343431 - 2⁷ = 130343303 is a prime.

It is a super-2 number, since 2×130343431² = 33978820009703522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130343491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45186 + ... + 47983.

It is an arithmetic number, because the mean of its divisors is an integer number (32609500).

Almost surely, 2^130343431 is an apocalyptic number.

130343431 is a deficient number, since it is larger than the sum of its proper divisors (94569).

130343431 is an equidigital number, since it uses as much as digits as its factorization.

130343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94568.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 130343431 is about 11416.8047631551. The cubic root of 130343431 is about 507.0253998508.

Adding to 130343431 its reverse (134343031), we get a palindrome (264686462).

The spelling of 130343431 in words is "one hundred thirty million, three hundred forty-three thousand, four hundred thirty-one".