130443235440431 has 4 divisors (see below), whose sum is σ = 130445061706200. Its totient is φ = 130441409174664.

The previous prime is 130443235440421. The next prime is 130443235440457. The reversal of 130443235440431 is 134044532344031.

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 130443235440431 - 2⁶ = 130443235440367 is a prime.

It is a super-2 number, since 2×130443235440431² (a number of 29 digits) 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 (130443235440421) 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, 913025741 + ... + 913168598.

It is an arithmetic number, because the mean of its divisors is an integer number (32611265426550).

Almost surely, 2^{130443235440431} is an apocalyptic number.

130443235440431 is a deficient number, since it is larger than the sum of its proper divisors (1826265769).

130443235440431 is an equidigital number, since it uses as much as digits as its factorization.

130443235440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826265768.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 130443235440431 its reverse (134044532344031), we get a palindrome (264487767784462).

The spelling of 130443235440431 in words is "one hundred thirty trillion, four hundred forty-three billion, two hundred thirty-five million, four hundred forty thousand, four hundred thirty-one".