231103100120120 has 32 divisors (see below), whose sum is σ = 523722852802800. Its totient is φ = 91776195153408.

The previous prime is 231103100119973. The next prime is 231103100120129. The reversal of 231103100120120 is 21021001301132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231103100120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20782647329 + ... + 20782658448.

Almost surely, 2^{231103100120120} is an apocalyptic number.

231103100120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231103100120120 is an abundant number, since it is smaller than the sum of its proper divisors (292619752682680).

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

231103100120120 is a wasteful number, since it uses less digits than its factorization.

231103100120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41565305927 (or 41565305923 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231103100120120 its reverse (21021001301132), we get a palindrome (252124101421252).

The spelling of 231103100120120 in words is "two hundred thirty-one trillion, one hundred three billion, one hundred million, one hundred twenty thousand, one hundred twenty".