201332330993 has 2 divisors, whose sum is σ = 201332330994. Its totient is φ = 201332330992.

The previous prime is 201332330917. The next prime is 201332331023. The reversal of 201332330993 is 399033233102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140050338289 + 61281992704 = 374233^2 + 247552^2 .

It is a cyclic number.

It is not a de Polignac number, because 201332330993 - 2⁸ = 201332330737 is a prime.

It is not a weakly prime, because it can be changed into another prime (201332336993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100666165496 + 100666165497.

It is an arithmetic number, because the mean of its divisors is an integer number (100666165497).

Almost surely, 2^201332330993 is an apocalyptic number.

It is an amenable number.

201332330993 is a deficient number, since it is larger than the sum of its proper divisors (1).

201332330993 is an equidigital number, since it uses as much as digits as its factorization.

201332330993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 38.

It can be divided in two parts, 20133233099 and 3, that added together give a palindrome (20133233102).

The spelling of 201332330993 in words is "two hundred one billion, three hundred thirty-two million, three hundred thirty thousand, nine hundred ninety-three".