32101211993 has 2 divisors, whose sum is σ = 32101211994. Its totient is φ = 32101211992.

The previous prime is 32101211971. The next prime is 32101212029. The reversal of 32101211993 is 39911210123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23553654784 + 8547557209 = 153472^2 + 92453^2 .

It is an emirp because it is prime and its reverse (39911210123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32101211993 is a prime.

It is a super-2 number, since 2×32101211993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32101211963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16050605996 + 16050605997.

It is an arithmetic number, because the mean of its divisors is an integer number (16050605997).

Almost surely, 2^32101211993 is an apocalyptic number.

It is an amenable number.

32101211993 is a deficient number, since it is larger than the sum of its proper divisors (1).

32101211993 is an equidigital number, since it uses as much as digits as its factorization.

32101211993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 32101211993 in words is "thirty-two billion, one hundred one million, two hundred eleven thousand, nine hundred ninety-three".