231012022100 has 36 divisors (see below), whose sum is σ = 505243329024. Its totient is φ = 91677206880.

The previous prime is 231012022099. The next prime is 231012022141. The reversal of 231012022100 is 1220210132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9082262 + ... + 9107661.

Almost surely, 2^231012022100 is an apocalyptic number.

231012022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231012022100 is an abundant number, since it is smaller than the sum of its proper divisors (274231306924).

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

231012022100 is a wasteful number, since it uses less digits than its factorization.

231012022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190064 (or 18190057 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 231012022100 its reverse (1220210132), we get a palindrome (232232232232).

The spelling of 231012022100 in words is "two hundred thirty-one billion, twelve million, twenty-two thousand, one hundred".