31422002201 has 2 divisors, whose sum is σ = 31422002202. Its totient is φ = 31422002200.

The previous prime is 31422002189. The next prime is 31422002219. The reversal of 31422002201 is 10220022413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29894755801 + 1527246400 = 172901^2 + 39080^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422002201 - 2¹⁴ = 31421985817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31422002201.

It is not a weakly prime, because it can be changed into another prime (31422002221) 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, 15711001100 + 15711001101.

It is an arithmetic number, because the mean of its divisors is an integer number (15711001101).

Almost surely, 2^31422002201 is an apocalyptic number.

It is an amenable number.

31422002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422002201 is an equidigital number, since it uses as much as digits as its factorization.

31422002201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 31422002201 its reverse (10220022413), we get a palindrome (41642024614).

The spelling of 31422002201 in words is "thirty-one billion, four hundred twenty-two million, two thousand, two hundred one".