203231120232113 has 2 divisors, whose sum is σ = 203231120232114. Its totient is φ = 203231120232112.

The previous prime is 203231120232109. The next prime is 203231120232163. The reversal of 203231120232113 is 311232021132302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123457498766449 + 79773621465664 = 11111143^2 + 8931608^2 .

It is a cyclic number.

It is not a de Polignac number, because 203231120232113 - 2² = 203231120232109 is a prime.

It is not a weakly prime, because it can be changed into another prime (203231120232163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615560116056 + 101615560116057.

It is an arithmetic number, because the mean of its divisors is an integer number (101615560116057).

Almost surely, 2^{203231120232113} is an apocalyptic number.

It is an amenable number.

203231120232113 is a deficient number, since it is larger than the sum of its proper divisors (1).

203231120232113 is an equidigital number, since it uses as much as digits as its factorization.

203231120232113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 203231120232113 its reverse (311232021132302), we get a palindrome (514463141364415).

The spelling of 203231120232113 in words is "two hundred three trillion, two hundred thirty-one billion, one hundred twenty million, two hundred thirty-two thousand, one hundred thirteen".