231342102 has 16 divisors (see below), whose sum is σ = 514093680. Its totient is φ = 77114016.

The previous prime is 231342101. The next prime is 231342109. The reversal of 231342102 is 201243132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231342101) 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, 2142003 + ... + 2142110.

It is an arithmetic number, because the mean of its divisors is an integer number (32130855).

Almost surely, 2^231342102 is an apocalyptic number.

231342102 is an abundant number, since it is smaller than the sum of its proper divisors (282751578).

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

231342102 is a wasteful number, since it uses less digits than its factorization.

231342102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284124 (or 4284118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231342102 is about 15209.9343193848. The cubic root of 231342102 is about 613.8819902151.

Adding to 231342102 its reverse (201243132), we get a palindrome (432585234).

The spelling of 231342102 in words is "two hundred thirty-one million, three hundred forty-two thousand, one hundred two".