2331231023100 has 72 divisors (see below), whose sum is σ = 7708603923328. Its totient is φ = 532852804800.

The previous prime is 2331231023083. The next prime is 2331231023123. The reversal of 2331231023100 is 13201321332.

It is a super-2 number, since 2×2331231023100² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555052906 + ... + 555057105.

Almost surely, 2^{2331231023100} is an apocalyptic number.

2331231023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331231023100 is an abundant number, since it is smaller than the sum of its proper divisors (5377372900228).

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

2331231023100 is a wasteful number, since it uses less digits than its factorization.

2331231023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110110035 (or 1110110028 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2331231023100 its reverse (13201321332), we get a palindrome (2344432344432).

The spelling of 2331231023100 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-one million, twenty-three thousand, one hundred".