11213442030 has 64 divisors (see below), whose sum is σ = 30780062208. Its totient is φ = 2561139840.

The previous prime is 11213442017. The next prime is 11213442043. The reversal of 11213442030 is 3024431211.

It is an interprime number because it is at equal distance from previous prime (11213442017) and next prime (11213442043).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11213441988 and 11213442006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268885 + ... + 307775.

It is an arithmetic number, because the mean of its divisors is an integer number (480938472).

Almost surely, 2^11213442030 is an apocalyptic number.

11213442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213442030 is an abundant number, since it is smaller than the sum of its proper divisors (19566620178).

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

11213442030 is a wasteful number, since it uses less digits than its factorization.

11213442030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40281.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11213442030 its reverse (3024431211), we get a palindrome (14237873241).

The spelling of 11213442030 in words is "eleven billion, two hundred thirteen million, four hundred forty-two thousand, thirty".