202311122103031 has 2 divisors, whose sum is σ = 202311122103032. Its totient is φ = 202311122103030.

The previous prime is 202311122103023. The next prime is 202311122103049. The reversal of 202311122103031 is 130301221113202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202311122103031 - 2³ = 202311122103023 is a prime.

It is a super-2 number, since 2×202311122103031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202311122102993 and 202311122103011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202311122103131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101155561051515 + 101155561051516.

It is an arithmetic number, because the mean of its divisors is an integer number (101155561051516).

Almost surely, 2^{202311122103031} is an apocalyptic number.

202311122103031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202311122103031 is an equidigital number, since it uses as much as digits as its factorization.

202311122103031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 202311122103031 its reverse (130301221113202), we get a palindrome (332612343216233).

The spelling of 202311122103031 in words is "two hundred two trillion, three hundred eleven billion, one hundred twenty-two million, one hundred three thousand, thirty-one".