231303213301100 has 72 divisors (see below), whose sum is σ = 504491599846080. Its totient is φ = 92048756728320.

The previous prime is 231303213301031. The next prime is 231303213301117. The reversal of 231303213301100 is 1103312303132.

It is a super-2 number, since 2×231303213301100² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697352096 + ... + 697683704.

It is an arithmetic number, because the mean of its divisors is an integer number (7006827775640).

Almost surely, 2^{231303213301100} is an apocalyptic number.

231303213301100 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 231303213301100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252245799923040).

231303213301100 is an abundant number, since it is smaller than the sum of its proper divisors (273188386544980).

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

231303213301100 is a wasteful number, since it uses less digits than its factorization.

231303213301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367227 (or 367220 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231303213301100 its reverse (1103312303132), we get a palindrome (232406525604232).

The spelling of 231303213301100 in words is "two hundred thirty-one trillion, three hundred three billion, two hundred thirteen million, three hundred one thousand, one hundred".