101320030993 has 2 divisors, whose sum is σ = 101320030994. Its totient is φ = 101320030992.

The previous prime is 101320030909. The next prime is 101320031003. The reversal of 101320030993 is 399030023101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80195443344 + 21124587649 = 283188^2 + 145343^2 .

It is a cyclic number.

It is not a de Polignac number, because 101320030993 - 2²⁹ = 100783160081 is a prime.

It is not a weakly prime, because it can be changed into another prime (101320033993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660015496 + 50660015497.

It is an arithmetic number, because the mean of its divisors is an integer number (50660015497).

Almost surely, 2^101320030993 is an apocalyptic number.

It is an amenable number.

101320030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320030993 is an equidigital number, since it uses as much as digits as its factorization.

101320030993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The spelling of 101320030993 in words is "one hundred one billion, three hundred twenty million, thirty thousand, nine hundred ninety-three".