31229741339 has 2 divisors, whose sum is σ = 31229741340. Its totient is φ = 31229741338.

The previous prime is 31229741317. The next prime is 31229741371. The reversal of 31229741339 is 93314792213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31229741339 - 2¹² = 31229737243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31229741339.

It is not a weakly prime, because it can be changed into another prime (31229741239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15614870669 + 15614870670.

It is an arithmetic number, because the mean of its divisors is an integer number (15614870670).

Almost surely, 2^31229741339 is an apocalyptic number.

31229741339 is a deficient number, since it is larger than the sum of its proper divisors (1).

31229741339 is an equidigital number, since it uses as much as digits as its factorization.

31229741339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The spelling of 31229741339 in words is "thirty-one billion, two hundred twenty-nine million, seven hundred forty-one thousand, three hundred thirty-nine".