202002140223391 has 2 divisors, whose sum is σ = 202002140223392. Its totient is φ = 202002140223390.

The previous prime is 202002140223379. The next prime is 202002140223419. The reversal of 202002140223391 is 193322041200202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202002140223391 - 2⁹ = 202002140222879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202002140223491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001070111695 + 101001070111696.

It is an arithmetic number, because the mean of its divisors is an integer number (101001070111696).

Almost surely, 2^{202002140223391} is an apocalyptic number.

202002140223391 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002140223391 is an equidigital number, since it uses as much as digits as its factorization.

202002140223391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 202002140223391 its reverse (193322041200202), we get a palindrome (395324181423593).

The spelling of 202002140223391 in words is "two hundred two trillion, two billion, one hundred forty million, two hundred twenty-three thousand, three hundred ninety-one".