31142222224019 has 2 divisors, whose sum is σ = 31142222224020. Its totient is φ = 31142222224018.

The previous prime is 31142222224007. The next prime is 31142222224103. The reversal of 31142222224019 is 91042222224113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31142222224019 is a prime.

It is a super-2 number, since 2×31142222224019² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31142222224019.

It is not a weakly prime, because it can be changed into another prime (31142222224219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571111112009 + 15571111112010.

It is an arithmetic number, because the mean of its divisors is an integer number (15571111112010).

Almost surely, 2^{31142222224019} is an apocalyptic number.

31142222224019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31142222224019 is an equidigital number, since it uses as much as digits as its factorization.

31142222224019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 31142222224019 in words is "thirty-one trillion, one hundred forty-two billion, two hundred twenty-two million, two hundred twenty-four thousand, nineteen".