231332400102 has 16 divisors (see below), whose sum is σ = 462692413440. Its totient is φ = 77106197832.

The previous prime is 231332400071. The next prime is 231332400109. The reversal of 231332400102 is 201004233132.

It is a super-2 number, since 2×231332400102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231332400109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040838 + ... + 1243385.

It is an arithmetic number, because the mean of its divisors is an integer number (28918275840).

Almost surely, 2^231332400102 is an apocalyptic number.

231332400102 is an abundant number, since it is smaller than the sum of its proper divisors (231360013338).

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

231332400102 is a wasteful number, since it uses less digits than its factorization.

231332400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301107.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231332400102 its reverse (201004233132), we get a palindrome (432336633234).

The spelling of 231332400102 in words is "two hundred thirty-one billion, three hundred thirty-two million, four hundred thousand, one hundred two".