2101031318 has 8 divisors (see below), whose sum is σ = 3218601312. Its totient is φ = 1028164216.

The previous prime is 2101031311. The next prime is 2101031329. The reversal of 2101031318 is 8131301012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2101031318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101031311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11175605 + ... + 11175792.

It is an arithmetic number, because the mean of its divisors is an integer number (402325164).

Almost surely, 2^2101031318 is an apocalyptic number.

2101031318 is a deficient number, since it is larger than the sum of its proper divisors (1117569994).

2101031318 is a wasteful number, since it uses less digits than its factorization.

2101031318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351446.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2101031318 is about 45837.0081702547. The cubic root of 2101031318 is about 1280.7887631152.

The spelling of 2101031318 in words is "two billion, one hundred one million, thirty-one thousand, three hundred eighteen".