231332319901 has 2 divisors, whose sum is σ = 231332319902. Its totient is φ = 231332319900.

The previous prime is 231332319833. The next prime is 231332319937. The reversal of 231332319901 is 109913233132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130862339001 + 100469980900 = 361749^2 + 316970^2 .

It is a cyclic number.

It is not a de Polignac number, because 231332319901 - 2⁷ = 231332319773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231332319941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115666159950 + 115666159951.

It is an arithmetic number, because the mean of its divisors is an integer number (115666159951).

Almost surely, 2^231332319901 is an apocalyptic number.

It is an amenable number.

231332319901 is a deficient number, since it is larger than the sum of its proper divisors (1).

231332319901 is an equidigital number, since it uses as much as digits as its factorization.

231332319901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The spelling of 231332319901 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred nineteen thousand, nine hundred one".