31343342534 has 8 divisors (see below), whose sum is σ = 53731444368. Its totient is φ = 13432861080.

The previous prime is 31343342531. The next prime is 31343342543. The reversal of 31343342534 is 43524334313.

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

It is a junction number, because it is equal to n+sod(n) for n = 31343342494 and 31343342503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343342531) 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 3 ways as a sum of consecutive naturals, for example, 1119405077 + ... + 1119405104.

It is an arithmetic number, because the mean of its divisors is an integer number (6716430546).

Almost surely, 2^31343342534 is an apocalyptic number.

31343342534 is a deficient number, since it is larger than the sum of its proper divisors (22388101834).

31343342534 is a wasteful number, since it uses less digits than its factorization.

31343342534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238810190.

The product of its digits is 155520, while the sum is 35.

Adding to 31343342534 its reverse (43524334313), we get a palindrome (74867676847).

The spelling of 31343342534 in words is "thirty-one billion, three hundred forty-three million, three hundred forty-two thousand, five hundred thirty-four".