3121313097970 has 32 divisors (see below), whose sum is σ = 5715593020800. Its totient is φ = 1226933533056.

The previous prime is 3121313097893. The next prime is 3121313097977. The reversal of 3121313097970 is 797903131213.

3121313097970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3121313097970.

It is not an unprimeable number, because it can be changed into a prime (3121313097977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759771 + ... + 2611489.

It is an arithmetic number, because the mean of its divisors is an integer number (178612281900).

Almost surely, 2^{3121313097970} is an apocalyptic number.

3121313097970 is a deficient number, since it is larger than the sum of its proper divisors (2594279922830).

3121313097970 is a wasteful number, since it uses less digits than its factorization.

3121313097970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854642.

The product of its (nonzero) digits is 214326, while the sum is 46.

The spelling of 3121313097970 in words is "three trillion, one hundred twenty-one billion, three hundred thirteen million, ninety-seven thousand, nine hundred seventy".