31142222224147 has 2 divisors, whose sum is σ = 31142222224148. Its totient is φ = 31142222224146.

The previous prime is 31142222224103. The next prime is 31142222224181. The reversal of 31142222224147 is 74142222224113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31142222224147 - 2⁷ = 31142222224019 is a prime.

It is not a weakly prime, because it can be changed into another prime (31142222224187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571111112073 + 15571111112074.

It is an arithmetic number, because the mean of its divisors is an integer number (15571111112074).

Almost surely, 2^{31142222224147} is an apocalyptic number.

31142222224147 is a deficient number, since it is larger than the sum of its proper divisors (1).

31142222224147 is an equidigital number, since it uses as much as digits as its factorization.

31142222224147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 37.

The spelling of 31142222224147 in words is "thirty-one trillion, one hundred forty-two billion, two hundred twenty-two million, two hundred twenty-four thousand, one hundred forty-seven".