20313023231100 has 36 divisors (see below), whose sum is σ = 58772347216184. Its totient is φ = 5416806194880.

The previous prime is 20313023231099. The next prime is 20313023231113. The reversal of 20313023231100 is 113232031302.

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, 33855038419 + ... + 33855039018.

Almost surely, 2^{20313023231100} is an apocalyptic number.

20313023231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313023231100 is an abundant number, since it is smaller than the sum of its proper divisors (38459323985084).

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

20313023231100 is a wasteful number, since it uses less digits than its factorization.

20313023231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67710077454 (or 67710077447 counting only the distinct ones).

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

Adding to 20313023231100 its reverse (113232031302), we get a palindrome (20426255262402).

The spelling of 20313023231100 in words is "twenty trillion, three hundred thirteen billion, twenty-three million, two hundred thirty-one thousand, one hundred".