231301221983 has 4 divisors (see below), whose sum is σ = 249093623688. Its totient is φ = 213508820280.

The previous prime is 231301221967. The next prime is 231301222021. The reversal of 231301221983 is 389122103132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231301221983 - 2⁴ = 231301221967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301221083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8896200833 + ... + 8896200858.

It is an arithmetic number, because the mean of its divisors is an integer number (62273405922).

Almost surely, 2^231301221983 is an apocalyptic number.

231301221983 is a deficient number, since it is larger than the sum of its proper divisors (17792401705).

231301221983 is a wasteful number, since it uses less digits than its factorization.

231301221983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792401704.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 231301221983 in words is "two hundred thirty-one billion, three hundred one million, two hundred twenty-one thousand, nine hundred eighty-three".