11100031032 has 32 divisors (see below), whose sum is σ = 27758131200. Its totient is φ = 3698936544.

The previous prime is 11100030971. The next prime is 11100031069. The reversal of 11100031032 is 23013000111.

It is a super-2 number, since 2×11100031032² (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 junction number, because it is equal to n+sod(n) for n = 11100030999 and 11100031017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19593 + ... + 150279.

It is an arithmetic number, because the mean of its divisors is an integer number (867441600).

Almost surely, 2^11100031032 is an apocalyptic number.

11100031032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11100031032 is an abundant number, since it is smaller than the sum of its proper divisors (16658100168).

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

11100031032 is a wasteful number, since it uses less digits than its factorization.

11100031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134235 (or 134231 counting only the distinct ones).

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

Adding to 11100031032 its reverse (23013000111), we get a palindrome (34113031143).

The spelling of 11100031032 in words is "eleven billion, one hundred million, thirty-one thousand, thirty-two".