130322431 has 4 divisors (see below), whose sum is σ = 130352152. Its totient is φ = 130292712.

The previous prime is 130322407. The next prime is 130322449. The reversal of 130322431 is 134223031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134223031 = 223 ⋅601897.

It is a cyclic number.

It is not a de Polignac number, because 130322431 - 2¹¹ = 130320383 is a prime.

It is a super-2 number, since 2×130322431² = 33967872043499522, 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 = 130322399 and 130322408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130322831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6840 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (32588038).

Almost surely, 2^130322431 is an apocalyptic number.

130322431 is a deficient number, since it is larger than the sum of its proper divisors (29721).

130322431 is an equidigital number, since it uses as much as digits as its factorization.

130322431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29720.

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

The square root of 130322431 is about 11415.8850292038. The cubic root of 130322431 is about 506.9981689547.

Adding to 130322431 its reverse (134223031), we get a palindrome (264545462).

The spelling of 130322431 in words is "one hundred thirty million, three hundred twenty-two thousand, four hundred thirty-one".