31361441326120 has 64 divisors (see below), whose sum is σ = 71916147198720. Its totient is φ = 12304201937664.

The previous prime is 31361441326087. The next prime is 31361441326147. The reversal of 31361441326120 is 2162314416313.

It is a self number, because there is not a number n which added to its sum of digits gives 31361441326120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4874607 + ... + 9299713.

It is an arithmetic number, because the mean of its divisors is an integer number (1123689799980).

Almost surely, 2^{31361441326120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31361441326120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35958073599360).

31361441326120 is an abundant number, since it is smaller than the sum of its proper divisors (40554705872600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31361441326120 is a wasteful number, since it uses less digits than its factorization.

31361441326120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428514 (or 4428510 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 31361441326120 in words is "thirty-one trillion, three hundred sixty-one billion, four hundred forty-one million, three hundred twenty-six thousand, one hundred twenty".