31113023009 has 8 divisors (see below), whose sum is σ = 31474215360. Its totient is φ = 30753912976.

The previous prime is 31113023003. The next prime is 31113023021. The reversal of 31113023009 is 90032031113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31113023009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31113023003) 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, 490514 + ... + 550299.

It is an arithmetic number, because the mean of its divisors is an integer number (3934276920).

Almost surely, 2^31113023009 is an apocalyptic number.

It is an amenable number.

31113023009 is a deficient number, since it is larger than the sum of its proper divisors (361192351).

31113023009 is a wasteful number, since it uses less digits than its factorization.

31113023009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041159.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 31113023009 in words is "thirty-one billion, one hundred thirteen million, twenty-three thousand, nine".