231332132021302 has 12 divisors (see below), whose sum is σ = 375743610887220. Its totient is φ = 106768676317368.

The previous prime is 231332132021273. The next prime is 231332132021303. The reversal of 231332132021302 is 203120231233132.

It is a happy number.

231332132021302 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 (231332132021303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342207295552 + ... + 342207296227.

It is an arithmetic number, because the mean of its divisors is an integer number (31311967573935).

Almost surely, 2^{231332132021302} is an apocalyptic number.

231332132021302 is a deficient number, since it is larger than the sum of its proper divisors (144411478865918).

231332132021302 is a wasteful number, since it uses less digits than its factorization.

231332132021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684414591807 (or 684414591794 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 231332132021302 its reverse (203120231233132), we get a palindrome (434452363254434).

The spelling of 231332132021302 in words is "two hundred thirty-one trillion, three hundred thirty-two billion, one hundred thirty-two million, twenty-one thousand, three hundred two".