11312430111 has 20 divisors (see below), whose sum is σ = 16902151200. Its totient is φ = 7540131456.

The previous prime is 11312430097. The next prime is 11312430119. The reversal of 11312430111 is 11103421311.

It is a happy number.

11312430111 is a `hidden beast` number, since 113 + 12 + 430 + 111 = 666.

It is not a de Polignac number, because 11312430111 - 2⁹ = 11312429599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312430119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 531370 + ... + 552248.

It is an arithmetic number, because the mean of its divisors is an integer number (845107560).

Almost surely, 2^11312430111 is an apocalyptic number.

11312430111 is a deficient number, since it is larger than the sum of its proper divisors (5589721089).

11312430111 is an equidigital number, since it uses as much as digits as its factorization.

11312430111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27580 (or 27571 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11312430111 its reverse (11103421311), we get a palindrome (22415851422).

The spelling of 11312430111 in words is "eleven billion, three hundred twelve million, four hundred thirty thousand, one hundred eleven".