231230412102 has 32 divisors (see below), whose sum is σ = 469309818240. Its totient is φ = 75941426880.

The previous prime is 231230412067. The next prime is 231230412107. The reversal of 231230412102 is 201214032132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230412107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613924 + ... + 916167.

It is an arithmetic number, because the mean of its divisors is an integer number (14665931820).

Almost surely, 2^231230412102 is an apocalyptic number.

231230412102 is an abundant number, since it is smaller than the sum of its proper divisors (238079406138).

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

231230412102 is a wasteful number, since it uses less digits than its factorization.

231230412102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530468.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231230412102 its reverse (201214032132), we get a palindrome (432444444234).

The spelling of 231230412102 in words is "two hundred thirty-one billion, two hundred thirty million, four hundred twelve thousand, one hundred two".