11312322030 has 128 divisors (see below), whose sum is σ = 32849280000. Its totient is φ = 2759266944.

The previous prime is 11312322029. The next prime is 11312322031. The reversal of 11312322030 is 3022321311.

11312322030 is a `hidden beast` number, since 1 + 1 + 312 + 322 + 0 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (11312322029) and next prime (11312322031).

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 = 11312321994 and 11312322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312322031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110751 + ... + 186789.

It is an arithmetic number, because the mean of its divisors is an integer number (256635000).

Almost surely, 2^11312322030 is an apocalyptic number.

11312322030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312322030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16424640000).

11312322030 is an abundant number, since it is smaller than the sum of its proper divisors (21536957970).

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

11312322030 is a wasteful number, since it uses less digits than its factorization.

11312322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76103 (or 76097 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11312322030 its reverse (3022321311), we get a palindrome (14334643341).

The spelling of 11312322030 in words is "eleven billion, three hundred twelve million, three hundred twenty-two thousand, thirty".