3131022220268 has 24 divisors (see below), whose sum is σ = 5781774457200. Its totient is φ = 1479489573888.

The previous prime is 3131022220267. The next prime is 3131022220321. The reversal of 3131022220268 is 8620222201313.

It is not an unprimeable number, because it can be changed into a prime (3131022220267) 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, 50332805 + ... + 50394972.

It is an arithmetic number, because the mean of its divisors is an integer number (240907269050).

Almost surely, 2^{3131022220268} is an apocalyptic number.

3131022220268 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3131022220268 is a deficient number, since it is larger than the sum of its proper divisors (2650752236932).

3131022220268 is a wasteful number, since it uses less digits than its factorization.

3131022220268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100728209 (or 100728207 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 3131022220268 in words is "three trillion, one hundred thirty-one billion, twenty-two million, two hundred twenty thousand, two hundred sixty-eight".