231222300100 has 108 divisors (see below), whose sum is σ = 556870455232. Its totient is φ = 83264068800.

The previous prime is 231222300083. The next prime is 231222300131. The reversal of 231222300100 is 1003222132.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1153537 + ... + 1339063.

Almost surely, 2^231222300100 is an apocalyptic number.

231222300100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231222300100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278435227616).

231222300100 is an abundant number, since it is smaller than the sum of its proper divisors (325648155132).

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

231222300100 is a wasteful number, since it uses less digits than its factorization.

231222300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185666 (or 185648 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 231222300100 its reverse (1003222132), we get a palindrome (232225522232).

The spelling of 231222300100 in words is "two hundred thirty-one billion, two hundred twenty-two million, three hundred thousand, one hundred".