231320234201 has 32 divisors (see below), whose sum is σ = 277863505920. Its totient is φ = 188279473536.

The previous prime is 231320234191. The next prime is 231320234221. The reversal of 231320234201 is 102432023132.

It is not a de Polignac number, because 231320234201 - 2²² = 231316039897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (231320234221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23037140 + ... + 23047178.

It is an arithmetic number, because the mean of its divisors is an integer number (8683234560).

Almost surely, 2^231320234201 is an apocalyptic number.

It is an amenable number.

231320234201 is a deficient number, since it is larger than the sum of its proper divisors (46543271719).

231320234201 is a wasteful number, since it uses less digits than its factorization.

231320234201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11093.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231320234201 its reverse (102432023132), we get a palindrome (333752257333).

The spelling of 231320234201 in words is "two hundred thirty-one billion, three hundred twenty million, two hundred thirty-four thousand, two hundred one".