31211243004419 has 2 divisors, whose sum is σ = 31211243004420. Its totient is φ = 31211243004418.

The previous prime is 31211243004397. The next prime is 31211243004443. The reversal of 31211243004419 is 91440034211213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31211243004419 - 2²⁰ = 31211241955843 is a prime.

It is a super-2 number, since 2×31211243004419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31291243004419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15605621502209 + 15605621502210.

It is an arithmetic number, because the mean of its divisors is an integer number (15605621502210).

Almost surely, 2^{31211243004419} is an apocalyptic number.

31211243004419 is a deficient number, since it is larger than the sum of its proper divisors (1).

31211243004419 is an equidigital number, since it uses as much as digits as its factorization.

31211243004419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 31211243004419 in words is "thirty-one trillion, two hundred eleven billion, two hundred forty-three million, four thousand, four hundred nineteen".