231331302201 has 16 divisors (see below), whose sum is σ = 323143589888. Its totient is φ = 147018445200.

The previous prime is 231331302133. The next prime is 231331302239. The reversal of 231331302201 is 102203133132.

It is not a de Polignac number, because 231331302201 - 2⁷ = 231331302073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231331302401) 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, 18556705 + ... + 18569166.

It is an arithmetic number, because the mean of its divisors is an integer number (20196474368).

Almost surely, 2^231331302201 is an apocalyptic number.

It is an amenable number.

231331302201 is a deficient number, since it is larger than the sum of its proper divisors (91812287687).

231331302201 is a wasteful number, since it uses less digits than its factorization.

231331302201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37125972.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231331302201 its reverse (102203133132), we get a palindrome (333534435333).

The spelling of 231331302201 in words is "two hundred thirty-one billion, three hundred thirty-one million, three hundred two thousand, two hundred one".