260344431 has 6 divisors (see below), whose sum is σ = 376053080. Its totient is φ = 173562948.

The previous prime is 260344423. The next prime is 260344439. The reversal of 260344431 is 134443062.

It is an interprime number because it is at equal distance from previous prime (260344423) and next prime (260344439).

It is not a de Polignac number, because 260344431 - 2³ = 260344423 is a prime.

It is a super-2 number, since 2×260344431² = 135558445505427522, 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 = 260344395 and 260344404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260344439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14463571 + ... + 14463588.

Almost surely, 2^260344431 is an apocalyptic number.

260344431 is a deficient number, since it is larger than the sum of its proper divisors (115708649).

260344431 is a wasteful number, since it uses less digits than its factorization.

260344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28927165 (or 28927162 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 260344431 is about 16135.1923136974. The cubic root of 260344431 is about 638.5321430035.

Adding to 260344431 its reverse (134443062), we get a palindrome (394787493).

The spelling of 260344431 in words is "two hundred sixty million, three hundred forty-four thousand, four hundred thirty-one".