11311303230 has 48 divisors (see below), whose sum is σ = 29823621984. Its totient is φ = 2973862080.

The previous prime is 11311303229. The next prime is 11311303247. The reversal of 11311303230 is 3230311311.

It is a happy number.

11311303230 is a `hidden beast` number, since 1 + 1 + 311 + 30 + 323 + 0 = 666.

It is a super-2 number, since 2×11311303230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 878689 + ... + 891468.

It is an arithmetic number, because the mean of its divisors is an integer number (621325458).

Almost surely, 2^11311303230 is an apocalyptic number.

11311303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311303230 is an abundant number, since it is smaller than the sum of its proper divisors (18512318754).

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

11311303230 is a wasteful number, since it uses less digits than its factorization.

11311303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770241 (or 1770238 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11311303230 its reverse (3230311311), we get a palindrome (14541614541).

The spelling of 11311303230 in words is "eleven billion, three hundred eleven million, three hundred three thousand, two hundred thirty".