31422003101 has 2 divisors, whose sum is σ = 31422003102. Its totient is φ = 31422003100.

The previous prime is 31422003083. The next prime is 31422003149. The reversal of 31422003101 is 10130022413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31064415001 + 357588100 = 176251^2 + 18910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31422003101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31422003101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31422203101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711001550 + 15711001551.

It is an arithmetic number, because the mean of its divisors is an integer number (15711001551).

Almost surely, 2^31422003101 is an apocalyptic number.

It is an amenable number.

31422003101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422003101 is an equidigital number, since it uses as much as digits as its factorization.

31422003101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31422003101 its reverse (10130022413), we get a palindrome (41552025514).

The spelling of 31422003101 in words is "thirty-one billion, four hundred twenty-two million, three thousand, one hundred one".