203214422400391 has 2 divisors, whose sum is σ = 203214422400392. Its totient is φ = 203214422400390.

The previous prime is 203214422400361. The next prime is 203214422400461. The reversal of 203214422400391 is 193004224412302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203214422400391 - 2¹⁵ = 203214422367623 is a prime.

It is a super-2 number, since 2×203214422400391² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203214422400391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203214422400361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101607211200195 + 101607211200196.

It is an arithmetic number, because the mean of its divisors is an integer number (101607211200196).

Almost surely, 2^{203214422400391} is an apocalyptic number.

203214422400391 is a deficient number, since it is larger than the sum of its proper divisors (1).

203214422400391 is an equidigital number, since it uses as much as digits as its factorization.

203214422400391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 203214422400391 its reverse (193004224412302), we get a palindrome (396218646812693).

The spelling of 203214422400391 in words is "two hundred three trillion, two hundred fourteen billion, four hundred twenty-two million, four hundred thousand, three hundred ninety-one".