231030101100 has 72 divisors (see below), whose sum is σ = 668537089360. Its totient is φ = 61599732480.

The previous prime is 231030101089. The next prime is 231030101153. The reversal of 231030101100 is 1101030132.

It is a super-2 number, since 2×231030101100² (a number of 24 digits) contains 22 as substring.

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

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, 2368086 + ... + 2463714.

Almost surely, 2^231030101100 is an apocalyptic number.

231030101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231030101100 is an abundant number, since it is smaller than the sum of its proper divisors (437506988260).

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

231030101100 is a wasteful number, since it uses less digits than its factorization.

231030101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103699 (or 103692 counting only the distinct ones).

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

Adding to 231030101100 its reverse (1101030132), we get a palindrome (232131131232).

The spelling of 231030101100 in words is "two hundred thirty-one billion, thirty million, one hundred one thousand, one hundred".