231311312201 has 8 divisors (see below), whose sum is σ = 232806286944. Its totient is φ = 229821153120.

The previous prime is 231311312189. The next prime is 231311312233. The reversal of 231311312201 is 102213113132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231311312201 - 2²² = 231307117897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231311311201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107515 + ... + 1299696.

It is an arithmetic number, because the mean of its divisors is an integer number (29100785868).

Almost surely, 2^231311312201 is an apocalyptic number.

It is an amenable number.

231311312201 is a deficient number, since it is larger than the sum of its proper divisors (1494974743).

231311312201 is a wasteful number, since it uses less digits than its factorization.

231311312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407831.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231311312201 its reverse (102213113132), we get a palindrome (333524425333).

The spelling of 231311312201 in words is "two hundred thirty-one billion, three hundred eleven million, three hundred twelve thousand, two hundred one".