31321033232109 has 8 divisors (see below), whose sum is σ = 41761403710080. Its totient is φ = 20880675787776.

The previous prime is 31321033232089. The next prime is 31321033232113. The reversal of 31321033232109 is 90123233012313.

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

It is not a de Polignac number, because 31321033232109 - 2¹¹ = 31321033230061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31321033232109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321033232609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6674029 + ... + 10353005.

It is an arithmetic number, because the mean of its divisors is an integer number (5220175463760).

Almost surely, 2^{31321033232109} is an apocalyptic number.

It is an amenable number.

31321033232109 is a deficient number, since it is larger than the sum of its proper divisors (10440370477971).

31321033232109 is a wasteful number, since it uses less digits than its factorization.

31321033232109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516819.

The product of its (nonzero) digits is 17496, while the sum is 33.

The spelling of 31321033232109 in words is "thirty-one trillion, three hundred twenty-one billion, thirty-three million, two hundred thirty-two thousand, one hundred nine".