260303431 has 4 divisors (see below), whose sum is σ = 260702712. Its totient is φ = 259904152.

The previous prime is 260303413. The next prime is 260303441. The reversal of 260303431 is 134303062.

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 260303431 - 2¹³ = 260295239 is a prime.

It is a super-2 number, since 2×260303431² = 135515752380743522, 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 (260303441) 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, 198661 + ... + 199966.

It is an arithmetic number, because the mean of its divisors is an integer number (65175678).

Almost surely, 2^260303431 is an apocalyptic number.

260303431 is a deficient number, since it is larger than the sum of its proper divisors (399281).

260303431 is an equidigital number, since it uses as much as digits as its factorization.

260303431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399280.

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

The square root of 260303431 is about 16133.9217489115. The cubic root of 260303431 is about 638.4986217791.

Adding to 260303431 its reverse (134303062), we get a palindrome (394606493).

The spelling of 260303431 in words is "two hundred sixty million, three hundred three thousand, four hundred thirty-one".