31089843339 has 8 divisors (see below), whose sum is σ = 41490916560. Its totient is φ = 20707666176.

The previous prime is 31089843311. The next prime is 31089843347. The reversal of 31089843339 is 93334898013.

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

It is not a de Polignac number, because 31089843339 - 2²¹ = 31087746187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31089843291 and 31089843300.

It is not an unprimeable number, because it can be changed into a prime (31089844339) 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, 4720174 + ... + 4726755.

It is an arithmetic number, because the mean of its divisors is an integer number (5186364570).

Almost surely, 2^31089843339 is an apocalyptic number.

31089843339 is a deficient number, since it is larger than the sum of its proper divisors (10401073221).

31089843339 is a wasteful number, since it uses less digits than its factorization.

31089843339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448029.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 31089843339 in words is "thirty-one billion, eighty-nine million, eight hundred forty-three thousand, three hundred thirty-nine".