31427324426 has 8 divisors (see below), whose sum is σ = 47170326240. Its totient is φ = 15703882348.

The previous prime is 31427324417. The next prime is 31427324479. The reversal of 31427324426 is 62442372413.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31427324426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4885916 + ... + 4892343.

It is an arithmetic number, because the mean of its divisors is an integer number (5896290780).

Almost surely, 2^31427324426 is an apocalyptic number.

31427324426 is a deficient number, since it is larger than the sum of its proper divisors (15743001814).

31427324426 is a wasteful number, since it uses less digits than its factorization.

31427324426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779868.

The product of its digits is 193536, while the sum is 38.

Adding to 31427324426 its reverse (62442372413), we get a palindrome (93869696839).

The spelling of 31427324426 in words is "thirty-one billion, four hundred twenty-seven million, three hundred twenty-four thousand, four hundred twenty-six".