11212431030 has 48 divisors (see below), whose sum is σ = 29830291920. Its totient is φ = 2920446144.

The previous prime is 11212431011. The next prime is 11212431047. The reversal of 11212431030 is 3013421211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11212430994 and 11212431012.

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, 1444765 + ... + 1452504.

It is an arithmetic number, because the mean of its divisors is an integer number (621464415).

Almost surely, 2^11212431030 is an apocalyptic number.

11212431030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212431030 is an abundant number, since it is smaller than the sum of its proper divisors (18617860890).

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

11212431030 is a wasteful number, since it uses less digits than its factorization.

11212431030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897325 (or 2897322 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11212431030 its reverse (3013421211), we get a palindrome (14225852241).

The spelling of 11212431030 in words is "eleven billion, two hundred twelve million, four hundred thirty-one thousand, thirty".