31234323343 has 2 divisors, whose sum is σ = 31234323344. Its totient is φ = 31234323342.

The previous prime is 31234323331. The next prime is 31234323347. The reversal of 31234323343 is 34332343213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31234323343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31234323347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617161671 + 15617161672.

It is an arithmetic number, because the mean of its divisors is an integer number (15617161672).

Almost surely, 2^31234323343 is an apocalyptic number.

31234323343 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234323343 is an equidigital number, since it uses as much as digits as its factorization.

31234323343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 31.

Adding to 31234323343 its reverse (34332343213), we get a palindrome (65566666556).

The spelling of 31234323343 in words is "thirty-one billion, two hundred thirty-four million, three hundred twenty-three thousand, three hundred forty-three".