203310103220137 has 2 divisors, whose sum is σ = 203310103220138. Its totient is φ = 203310103220136.

The previous prime is 203310103220071. The next prime is 203310103220173. The reversal of 203310103220137 is 731022301013302.

It is a happy number.

Together with next prime (203310103220173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185582205596736 + 17727897623401 = 13622856^2 + 4210451^2 .

It is a cyclic number.

It is not a de Polignac number, because 203310103220137 - 2²⁷ = 203309969002409 is a prime.

It is a super-3 number, since 3×203310103220137³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (203310103220737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101655051610068 + 101655051610069.

It is an arithmetic number, because the mean of its divisors is an integer number (101655051610069).

Almost surely, 2^{203310103220137} is an apocalyptic number.

It is an amenable number.

203310103220137 is a deficient number, since it is larger than the sum of its proper divisors (1).

203310103220137 is an equidigital number, since it uses as much as digits as its factorization.

203310103220137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 203310103220137 its reverse (731022301013302), we get a palindrome (934332404233439).

The spelling of 203310103220137 in words is "two hundred three trillion, three hundred ten billion, one hundred three million, two hundred twenty thousand, one hundred thirty-seven".