231420102 has 16 divisors (see below), whose sum is σ = 468417600. Its totient is φ = 76210472.

The previous prime is 231420073. The next prime is 231420107. The reversal of 231420102 is 201024132.

231420102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231420107) 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, 231852 + ... + 232847.

It is an arithmetic number, because the mean of its divisors is an integer number (29276100).

Almost surely, 2^231420102 is an apocalyptic number.

231420102 is an abundant number, since it is smaller than the sum of its proper divisors (236997498).

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

231420102 is a wasteful number, since it uses less digits than its factorization.

231420102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464787.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 231420102 is about 15212.4982169268. The cubic root of 231420102 is about 613.9509752296.

Adding to 231420102 its reverse (201024132), we get a palindrome (432444234).

The spelling of 231420102 in words is "two hundred thirty-one million, four hundred twenty thousand, one hundred two".