31504666343 has 2 divisors, whose sum is σ = 31504666344. Its totient is φ = 31504666342.

The previous prime is 31504666313. The next prime is 31504666363. The reversal of 31504666343 is 34366640513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31504666343 - 2²⁰ = 31503617767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31504666343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31504666313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15752333171 + 15752333172.

It is an arithmetic number, because the mean of its divisors is an integer number (15752333172).

Almost surely, 2^31504666343 is an apocalyptic number.

31504666343 is a deficient number, since it is larger than the sum of its proper divisors (1).

31504666343 is an equidigital number, since it uses as much as digits as its factorization.

31504666343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 31504666343 in words is "thirty-one billion, five hundred four million, six hundred sixty-six thousand, three hundred forty-three".