231102120 has 32 divisors (see below), whose sum is σ = 693306720. Its totient is φ = 61627200.

The previous prime is 231102119. The next prime is 231102133. The reversal of 231102120 is 21201132.

231102120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 231102096 and 231102105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962806 + ... + 963045.

It is an arithmetic number, because the mean of its divisors is an integer number (21665835).

Almost surely, 2^231102120 is an apocalyptic number.

231102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231102120 is an abundant number, since it is smaller than the sum of its proper divisors (462204600).

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

231102120 is a wasteful number, since it uses less digits than its factorization.

231102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925865 (or 1925861 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 231102120 is about 15202.0432837168. The cubic root of 231102120 is about 613.6696472581.

Adding to 231102120 its reverse (21201132), we get a palindrome (252303252).

The spelling of 231102120 in words is "two hundred thirty-one million, one hundred two thousand, one hundred twenty".