11312144430 has 32 divisors (see below), whose sum is σ = 27417957408. Its totient is φ = 2986704000.

The previous prime is 11312144407. The next prime is 11312144447. The reversal of 11312144430 is 3444121311.

It is a super-2 number, since 2×11312144430² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11312144430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1863661 + ... + 1869720.

It is an arithmetic number, because the mean of its divisors is an integer number (856811169).

Almost surely, 2^11312144430 is an apocalyptic number.

11312144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312144430 is an abundant number, since it is smaller than the sum of its proper divisors (16105812978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312144430 is a wasteful number, since it uses less digits than its factorization.

11312144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733492.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11312144430 its reverse (3444121311), we get a palindrome (14756265741).

The spelling of 11312144430 in words is "eleven billion, three hundred twelve million, one hundred forty-four thousand, four hundred thirty".