31204443299999 has 2 divisors, whose sum is σ = 31204443300000. Its totient is φ = 31204443299998.

The previous prime is 31204443299993. The next prime is 31204443300013. The reversal of 31204443299999 is 99999234440213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31204443299999 is a prime.

It is a super-2 number, since 2×31204443299999² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204443299993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15602221649999 + 15602221650000.

It is an arithmetic number, because the mean of its divisors is an integer number (15602221650000).

Almost surely, 2^{31204443299999} is an apocalyptic number.

31204443299999 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204443299999 is an equidigital number, since it uses as much as digits as its factorization.

31204443299999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136048896, while the sum is 68.

The spelling of 31204443299999 in words is "thirty-one trillion, two hundred four billion, four hundred forty-three million, two hundred ninety-nine thousand, nine hundred ninety-nine".