130268431 has 4 divisors (see below), whose sum is σ = 130296672. Its totient is φ = 130240192.

The previous prime is 130268419. The next prime is 130268471. The reversal of 130268431 is 134862031.

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 130268431 - 2¹⁹ = 129744143 is a prime.

It is a super-2 number, since 2×130268431² = 33939728230403522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130268431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130268471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5410 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (32574168).

Almost surely, 2^130268431 is an apocalyptic number.

130268431 is a deficient number, since it is larger than the sum of its proper divisors (28241).

130268431 is an equidigital number, since it uses as much as digits as its factorization.

130268431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28240.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 130268431 is about 11413.5196587205. The cubic root of 130268431 is about 506.9281332154.

The spelling of 130268431 in words is "one hundred thirty million, two hundred sixty-eight thousand, four hundred thirty-one".