203231253101 has 2 divisors, whose sum is σ = 203231253102. Its totient is φ = 203231253100.

The previous prime is 203231253007. The next prime is 203231253119. The reversal of 203231253101 is 101352132302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202949349001 + 281904100 = 450499^2 + 16790^2 .

It is a cyclic number.

It is not a de Polignac number, because 203231253101 - 2¹⁴ = 203231236717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203231252101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615626550 + 101615626551.

It is an arithmetic number, because the mean of its divisors is an integer number (101615626551).

Almost surely, 2^203231253101 is an apocalyptic number.

It is an amenable number.

203231253101 is a deficient number, since it is larger than the sum of its proper divisors (1).

203231253101 is an equidigital number, since it uses as much as digits as its factorization.

203231253101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 203231253101 its reverse (101352132302), we get a palindrome (304583385403).

The spelling of 203231253101 in words is "two hundred three billion, two hundred thirty-one million, two hundred fifty-three thousand, one hundred one".