11031023100 has 72 divisors (see below), whose sum is σ = 33304118400. Its totient is φ = 2813708480.

The previous prime is 11031023089. The next prime is 11031023111. The reversal of 11031023100 is 132013011.

It is an interprime number because it is at equal distance from previous prime (11031023089) and next prime (11031023111).

It is a super-2 number, since 2×11031023100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 792450 + ... + 806249.

It is an arithmetic number, because the mean of its divisors is an integer number (462557200).

Almost surely, 2^11031023100 is an apocalyptic number.

11031023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031023100 is an abundant number, since it is smaller than the sum of its proper divisors (22273095300).

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

11031023100 is a wasteful number, since it uses less digits than its factorization.

11031023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598739 (or 1598732 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11031023100 its reverse (132013011), we get a palindrome (11163036111).

The spelling of 11031023100 in words is "eleven billion, thirty-one million, twenty-three thousand, one hundred".