260342431 has 2 divisors, whose sum is σ = 260342432. Its totient is φ = 260342430.

The previous prime is 260342429. The next prime is 260342443. The reversal of 260342431 is 134243062.

260342431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260342431 - 2¹ = 260342429 is a prime.

It is a super-2 number, since 2×260342431² = 135556362757979522, which contains 22 as substring.

Together with 260342429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 260342396 and 260342405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260342231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130171215 + 130171216.

It is an arithmetic number, because the mean of its divisors is an integer number (130171216).

Almost surely, 2^260342431 is an apocalyptic number.

260342431 is a deficient number, since it is larger than the sum of its proper divisors (1).

260342431 is an equidigital number, since it uses as much as digits as its factorization.

260342431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 260342431 is about 16135.1303372486. The cubic root of 260342431 is about 638.5305079034.

Adding to 260342431 its reverse (134243062), we get a palindrome (394585493).

The spelling of 260342431 in words is "two hundred sixty million, three hundred forty-two thousand, four hundred thirty-one".