11312230311 has 8 divisors (see below), whose sum is σ = 16758859760. Its totient is φ = 7541486856.

The previous prime is 11312230291. The next prime is 11312230387. The reversal of 11312230311 is 11303221311.

11312230311 is a `hidden beast` number, since 1 + 131 + 223 + 0 + 311 = 666.

It is not a de Polignac number, because 11312230311 - 2²⁵ = 11278675879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312230511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209485720 + ... + 209485773.

It is an arithmetic number, because the mean of its divisors is an integer number (2094857470).

Almost surely, 2^11312230311 is an apocalyptic number.

11312230311 is a deficient number, since it is larger than the sum of its proper divisors (5446629449).

11312230311 is an equidigital number, since it uses as much as digits as its factorization.

11312230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418971502 (or 418971496 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11312230311 its reverse (11303221311), we get a palindrome (22615451622).

The spelling of 11312230311 in words is "eleven billion, three hundred twelve million, two hundred thirty thousand, three hundred eleven".