253311311 has 4 divisors (see below), whose sum is σ = 276339624. Its totient is φ = 230283000.

The previous prime is 253311301. The next prime is 253311337. The reversal of 253311311 is 113113352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253311311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253311301) 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, 11514140 + ... + 11514161.

It is an arithmetic number, because the mean of its divisors is an integer number (69084906).

Almost surely, 2^253311311 is an apocalyptic number.

253311311 is a deficient number, since it is larger than the sum of its proper divisors (23028313).

253311311 is a wasteful number, since it uses less digits than its factorization.

253311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028312.

The product of its digits is 270, while the sum is 20.

The square root of 253311311 is about 15915.7566895200. The cubic root of 253311311 is about 632.7296616873.

Adding to 253311311 its reverse (113113352), we get a palindrome (366424663).

The spelling of 253311311 in words is "two hundred fifty-three million, three hundred eleven thousand, three hundred eleven".