31334330201 has 2 divisors, whose sum is σ = 31334330202. Its totient is φ = 31334330200.

The previous prime is 31334330191. The next prime is 31334330239. The reversal of 31334330201 is 10203343313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30102250000 + 1232080201 = 173500^2 + 35101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31334330201 is a prime.

It is not a weakly prime, because it can be changed into another prime (31334330281) 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, 15667165100 + 15667165101.

It is an arithmetic number, because the mean of its divisors is an integer number (15667165101).

Almost surely, 2^31334330201 is an apocalyptic number.

It is an amenable number.

31334330201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31334330201 is an equidigital number, since it uses as much as digits as its factorization.

31334330201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31334330201 its reverse (10203343313), we get a palindrome (41537673514).

It can be divided in two parts, 3133 and 4330201, that added together give a palindrome (4333334).

The spelling of 31334330201 in words is "thirty-one billion, three hundred thirty-four million, three hundred thirty thousand, two hundred one".