31441221103 has 2 divisors, whose sum is σ = 31441221104. Its totient is φ = 31441221102.

The previous prime is 31441221067. The next prime is 31441221151. The reversal of 31441221103 is 30112214413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31441221103 - 2²¹ = 31439123951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31441221193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720610551 + 15720610552.

It is an arithmetic number, because the mean of its divisors is an integer number (15720610552).

Almost surely, 2^31441221103 is an apocalyptic number.

31441221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441221103 is an equidigital number, since it uses as much as digits as its factorization.

31441221103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31441221103 its reverse (30112214413), we get a palindrome (61553435516).

The spelling of 31441221103 in words is "thirty-one billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred three".