31343340423 has 8 divisors (see below), whose sum is σ = 41803400448. Its totient is φ = 20889420344.

The previous prime is 31343340421. The next prime is 31343340449. The reversal of 31343340423 is 32404334313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31343340423 - 2¹ = 31343340421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343340421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523061 + ... + 1543502.

It is an arithmetic number, because the mean of its divisors is an integer number (5225425056).

Almost surely, 2^31343340423 is an apocalyptic number.

31343340423 is a deficient number, since it is larger than the sum of its proper divisors (10460060025).

31343340423 is a wasteful number, since it uses less digits than its factorization.

31343340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069973.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 31343340423 its reverse (32404334313), we get a palindrome (63747674736).

The spelling of 31343340423 in words is "thirty-one billion, three hundred forty-three million, three hundred forty thousand, four hundred twenty-three".