31112202202019 has 2 divisors, whose sum is σ = 31112202202020. Its totient is φ = 31112202202018.

The previous prime is 31112202201953. The next prime is 31112202202031. The reversal of 31112202202019 is 91020220221113.

It is a strong prime.

It is an emirp because it is prime and its reverse (91020220221113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31112202202019 is a prime.

It is a super-2 number, since 2×31112202202019² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31112202202519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556101101009 + 15556101101010.

It is an arithmetic number, because the mean of its divisors is an integer number (15556101101010).

Almost surely, 2^{31112202202019} is an apocalyptic number.

31112202202019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112202202019 is an equidigital number, since it uses as much as digits as its factorization.

31112202202019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 31112202202019 in words is "thirty-one trillion, one hundred twelve billion, two hundred two million, two hundred two thousand, nineteen".