11103312430 has 32 divisors (see below), whose sum is σ = 23327087616. Its totient is φ = 3725852064.

The previous prime is 11103312421. The next prime is 11103312457. The reversal of 11103312430 is 3421330111.

It is a junction number, because it is equal to n+sod(n) for n = 11103312398 and 11103312407.

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, 1684144 + ... + 1690723.

It is an arithmetic number, because the mean of its divisors is an integer number (728971488).

Almost surely, 2^11103312430 is an apocalyptic number.

11103312430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11103312430 is an abundant number, since it is smaller than the sum of its proper divisors (12223775186).

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

11103312430 is a wasteful number, since it uses less digits than its factorization.

11103312430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374928.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11103312430 its reverse (3421330111), we get a palindrome (14524642541).

The spelling of 11103312430 in words is "eleven billion, one hundred three million, three hundred twelve thousand, four hundred thirty".