202311122103257 has 2 divisors, whose sum is σ = 202311122103258. Its totient is φ = 202311122103256.

The previous prime is 202311122103197. The next prime is 202311122103289. The reversal of 202311122103257 is 752301221113202.

It is an a-pointer prime, because the next prime (202311122103289) can be obtained adding 202311122103257 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200041109800921 + 2270012302336 = 14143589^2 + 1506656^2 .

It is a cyclic number.

It is not a de Polignac number, because 202311122103257 - 2¹² = 202311122099161 is a prime.

It is not a weakly prime, because it can be changed into another prime (202311122103757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101155561051628 + 101155561051629.

It is an arithmetic number, because the mean of its divisors is an integer number (101155561051629).

Almost surely, 2^{202311122103257} is an apocalyptic number.

It is an amenable number.

202311122103257 is a deficient number, since it is larger than the sum of its proper divisors (1).

202311122103257 is an equidigital number, since it uses as much as digits as its factorization.

202311122103257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 202311122103257 its reverse (752301221113202), we get a palindrome (954612343216459).

The spelling of 202311122103257 in words is "two hundred two trillion, three hundred eleven billion, one hundred twenty-two million, one hundred three thousand, two hundred fifty-seven".