31200200323 has 2 divisors, whose sum is σ = 31200200324. Its totient is φ = 31200200322.

The previous prime is 31200200321. The next prime is 31200200341. The reversal of 31200200323 is 32300200213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31200200323 - 2¹ = 31200200321 is a prime.

Together with 31200200321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 31200200297 and 31200200306.

It is not a weakly prime, because it can be changed into another prime (31200200321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600100161 + 15600100162.

It is an arithmetic number, because the mean of its divisors is an integer number (15600100162).

Almost surely, 2^31200200323 is an apocalyptic number.

31200200323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31200200323 is an equidigital number, since it uses as much as digits as its factorization.

31200200323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 31200200323 its reverse (32300200213), we get a palindrome (63500400536).

The spelling of 31200200323 in words is "thirty-one billion, two hundred million, two hundred thousand, three hundred twenty-three".