10031322219991 has 2 divisors, whose sum is σ = 10031322219992. Its totient is φ = 10031322219990.

The previous prime is 10031322219979. The next prime is 10031322220013. The reversal of 10031322219991 is 19991222313001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031322219991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031322217991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015661109995 + 5015661109996.

It is an arithmetic number, because the mean of its divisors is an integer number (5015661109996).

Almost surely, 2^{10031322219991} is an apocalyptic number.

10031322219991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031322219991 is an equidigital number, since it uses as much as digits as its factorization.

10031322219991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 10031322219991 in words is "ten trillion, thirty-one billion, three hundred twenty-two million, two hundred nineteen thousand, nine hundred ninety-one".