2611288231 has 2 divisors, whose sum is σ = 2611288232. Its totient is φ = 2611288230.

The previous prime is 2611288223. The next prime is 2611288243. The reversal of 2611288231 is 1328821162.

It is a happy number.

2611288231 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 2611288231 - 2³ = 2611288223 is a prime.

It is a super-2 number, since 2×2611288231² = 13637652450718218722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2611288531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305644115 + 1305644116.

It is an arithmetic number, because the mean of its divisors is an integer number (1305644116).

Almost surely, 2^2611288231 is an apocalyptic number.

2611288231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611288231 is an equidigital number, since it uses as much as digits as its factorization.

2611288231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 2611288231 is about 51100.7654639341. The cubic root of 2611288231 is about 1377.0560062180.

The spelling of 2611288231 in words is "two billion, six hundred eleven million, two hundred eighty-eight thousand, two hundred thirty-one".