203313121130137 has 2 divisors, whose sum is σ = 203313121130138. Its totient is φ = 203313121130136.

The previous prime is 203313121130107. The next prime is 203313121130167. The reversal of 203313121130137 is 731031121313302.

It is a balanced prime because it is at equal distance from previous prime (203313121130107) and next prime (203313121130167).

It can be written as a sum of positive squares in only one way, i.e., 202976182674841 + 336938455296 = 14246971^2 + 580464^2 .

It is a cyclic number.

It is not a de Polignac number, because 203313121130137 - 2¹⁵ = 203313121097369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203313121130099 and 203313121130108.

It is not a weakly prime, because it can be changed into another prime (203313121130107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656560565068 + 101656560565069.

It is an arithmetic number, because the mean of its divisors is an integer number (101656560565069).

Almost surely, 2^{203313121130137} is an apocalyptic number.

It is an amenable number.

203313121130137 is a deficient number, since it is larger than the sum of its proper divisors (1).

203313121130137 is an equidigital number, since it uses as much as digits as its factorization.

203313121130137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

Adding to 203313121130137 its reverse (731031121313302), we get a palindrome (934344242443439).

The spelling of 203313121130137 in words is "two hundred three trillion, three hundred thirteen billion, one hundred twenty-one million, one hundred thirty thousand, one hundred thirty-seven".