31343423334 has 8 divisors (see below), whose sum is σ = 62686846680. Its totient is φ = 10447807776.

The previous prime is 31343423281. The next prime is 31343423339. The reversal of 31343423334 is 43332434313.

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

31343423334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31343423295 and 31343423304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343423339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611951939 + ... + 2611951950.

It is an arithmetic number, because the mean of its divisors is an integer number (7835855835).

Almost surely, 2^31343423334 is an apocalyptic number.

31343423334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31343423334 is a wasteful number, since it uses less digits than its factorization.

31343423334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223903894.

The product of its digits is 93312, while the sum is 33.

Adding to 31343423334 its reverse (43332434313), we get a palindrome (74675857647).

The spelling of 31343423334 in words is "thirty-one billion, three hundred forty-three million, four hundred twenty-three thousand, three hundred thirty-four".