231120102 has 16 divisors (see below), whose sum is σ = 462390192. Its totient is φ = 77015040.

The previous prime is 231120101. The next prime is 231120119. The reversal of 231120102 is 201021132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231120101) 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, 29638 + ... + 36614.

It is an arithmetic number, because the mean of its divisors is an integer number (28899387).

Almost surely, 2^231120102 is an apocalyptic number.

231120102 is an abundant number, since it is smaller than the sum of its proper divisors (231270090).

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

231120102 is a wasteful number, since it uses less digits than its factorization.

231120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503.

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

The square root of 231120102 is about 15202.6347058660. The cubic root of 231120102 is about 613.6855633409.

Adding to 231120102 its reverse (201021132), we get a palindrome (432141234).

The spelling of 231120102 in words is "two hundred thirty-one million, one hundred twenty thousand, one hundred two".