202112202031 has 2 divisors, whose sum is σ = 202112202032. Its totient is φ = 202112202030.

The previous prime is 202112201983. The next prime is 202112202073. The reversal of 202112202031 is 130202211202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202112202031 - 2¹¹ = 202112199983 is a prime.

It is a super-2 number, since 2×202112202031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202112201996 and 202112202014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202112272031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056101015 + 101056101016.

It is an arithmetic number, because the mean of its divisors is an integer number (101056101016).

Almost surely, 2^202112202031 is an apocalyptic number.

202112202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112202031 is an equidigital number, since it uses as much as digits as its factorization.

202112202031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202112202031 its reverse (130202211202), we get a palindrome (332314413233).

The spelling of 202112202031 in words is "two hundred two billion, one hundred twelve million, two hundred two thousand, thirty-one".