231332001102 has 96 divisors (see below), whose sum is σ = 518771373120. Its totient is φ = 74445143040.

The previous prime is 231332001091. The next prime is 231332001113. The reversal of 231332001102 is 201100233132.

231332001102 is a `hidden beast` number, since 231 + 3 + 320 + 0 + 110 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (231332001091) and next prime (231332001113).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47025799 + ... + 47030717.

It is an arithmetic number, because the mean of its divisors is an integer number (5403868470).

Almost surely, 2^231332001102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231332001102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259385686560).

231332001102 is an abundant number, since it is smaller than the sum of its proper divisors (287439372018).

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

231332001102 is a wasteful number, since it uses less digits than its factorization.

231332001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498 (or 5495 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231332001102 its reverse (201100233132), we get a palindrome (432432234234).

The spelling of 231332001102 in words is "two hundred thirty-one billion, three hundred thirty-two million, one thousand, one hundred two".