260830311 has 32 divisors (see below), whose sum is σ = 413184000. Its totient is φ = 143216640.

The previous prime is 260830291. The next prime is 260830391. The reversal of 260830311 is 113038062.

It is not a de Polignac number, because 260830311 - 2²⁶ = 193721447 is a prime.

It is a super-2 number, since 2×260830311² = 136064902272713442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260830391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95655 + ... + 98343.

It is an arithmetic number, because the mean of its divisors is an integer number (12912000).

Almost surely, 2^260830311 is an apocalyptic number.

260830311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

260830311 is a deficient number, since it is larger than the sum of its proper divisors (152353689).

260830311 is a wasteful number, since it uses less digits than its factorization.

260830311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 260830311 is about 16150.2418248149. The cubic root of 260830311 is about 638.9291263255.

Adding to 260830311 its reverse (113038062), we get a palindrome (373868373).

The spelling of 260830311 in words is "two hundred sixty million, eight hundred thirty thousand, three hundred eleven".