201652312031 has 2 divisors, whose sum is σ = 201652312032. Its totient is φ = 201652312030.

The previous prime is 201652312007. The next prime is 201652312051. The reversal of 201652312031 is 130213256102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201652312031 is a prime.

It is a super-2 number, since 2×201652312031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201652312051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100826156015 + 100826156016.

It is an arithmetic number, because the mean of its divisors is an integer number (100826156016).

Almost surely, 2^201652312031 is an apocalyptic number.

201652312031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201652312031 is an equidigital number, since it uses as much as digits as its factorization.

201652312031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 201652312031 its reverse (130213256102), we get a palindrome (331865568133).

The spelling of 201652312031 in words is "two hundred one billion, six hundred fifty-two million, three hundred twelve thousand, thirty-one".