203421332131351 has 2 divisors, whose sum is σ = 203421332131352. Its totient is φ = 203421332131350.

The previous prime is 203421332131337. The next prime is 203421332131361. The reversal of 203421332131351 is 153131233124302.

203421332131351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203421332131351 - 2²³ = 203421323742743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203421332131321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101710666065675 + 101710666065676.

It is an arithmetic number, because the mean of its divisors is an integer number (101710666065676).

Almost surely, 2^{203421332131351} is an apocalyptic number.

203421332131351 is a deficient number, since it is larger than the sum of its proper divisors (1).

203421332131351 is an equidigital number, since it uses as much as digits as its factorization.

203421332131351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 203421332131351 its reverse (153131233124302), we get a palindrome (356552565255653).

The spelling of 203421332131351 in words is "two hundred three trillion, four hundred twenty-one billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred fifty-one".