31335043426 has 8 divisors (see below), whose sum is σ = 47006231040. Its totient is φ = 15666299748.

The previous prime is 31335043417. The next prime is 31335043459. The reversal of 31335043426 is 62434053313.

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 = 31335043391 and 31335043400.

It is an unprimeable number.

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, 578586 + ... + 630421.

It is an arithmetic number, because the mean of its divisors is an integer number (5875778880).

Almost surely, 2^31335043426 is an apocalyptic number.

31335043426 is a deficient number, since it is larger than the sum of its proper divisors (15671187614).

31335043426 is a wasteful number, since it uses less digits than its factorization.

31335043426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221968.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 31335043426 its reverse (62434053313), we get a palindrome (93769096739).

The spelling of 31335043426 in words is "thirty-one billion, three hundred thirty-five million, forty-three thousand, four hundred twenty-six".