2113234431100 has 36 divisors (see below), whose sum is σ = 4938466312024. Its totient is φ = 780271174080.

The previous prime is 2113234431089. The next prime is 2113234431101. The reversal of 2113234431100 is 11344323112.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113234431101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812781174 + ... + 812783773.

Almost surely, 2^{2113234431100} is an apocalyptic number.

2113234431100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113234431100 is an abundant number, since it is smaller than the sum of its proper divisors (2825231880924).

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

2113234431100 is a wasteful number, since it uses less digits than its factorization.

2113234431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625564974 (or 1625564967 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2113234431100 its reverse (11344323112), we get a palindrome (2124578754212).

The spelling of 2113234431100 in words is "two trillion, one hundred thirteen billion, two hundred thirty-four million, four hundred thirty-one thousand, one hundred".