31439329999223 has 2 divisors, whose sum is σ = 31439329999224. Its totient is φ = 31439329999222.

The previous prime is 31439329999139. The next prime is 31439329999241. The reversal of 31439329999223 is 32299992393413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31439329999223 - 2¹⁴ = 31439329982839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31439329999723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15719664999611 + 15719664999612.

It is an arithmetic number, because the mean of its divisors is an integer number (15719664999612).

Almost surely, 2^{31439329999223} is an apocalyptic number.

31439329999223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31439329999223 is an equidigital number, since it uses as much as digits as its factorization.

31439329999223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153055008, while the sum is 68.

The spelling of 31439329999223 in words is "thirty-one trillion, four hundred thirty-nine billion, three hundred twenty-nine million, nine hundred ninety-nine thousand, two hundred twenty-three".