983231801 has 2 divisors, whose sum is σ = 983231802. Its totient is φ = 983231800.

The previous prime is 983231797. The next prime is 983231803. The reversal of 983231801 is 108132389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677821225 + 305410576 = 26035^2 + 17476^2 .

It is a cyclic number.

It is not a de Polignac number, because 983231801 - 2² = 983231797 is a prime.

Together with 983231803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (983231803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491615900 + 491615901.

It is an arithmetic number, because the mean of its divisors is an integer number (491615901).

Almost surely, 2^983231801 is an apocalyptic number.

It is an amenable number.

983231801 is a deficient number, since it is larger than the sum of its proper divisors (1).

983231801 is an equidigital number, since it uses as much as digits as its factorization.

983231801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 983231801 is about 31356.5272471299. The cubic root of 983231801 is about 994.3790646164.

The spelling of 983231801 in words is "nine hundred eighty-three million, two hundred thirty-one thousand, eight hundred one".