2197872313 has 32 divisors (see below), whose sum is σ = 2769984000. Its totient is φ = 1732868928.

The previous prime is 2197872293. The next prime is 2197872323. The reversal of 2197872313 is 3132787912.

It is not a de Polignac number, because 2197872313 - 2²¹ = 2195775161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2197872313.

It is not an unprimeable number, because it can be changed into a prime (2197872323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1600095 + ... + 1601467.

It is an arithmetic number, because the mean of its divisors is an integer number (86562000).

Almost surely, 2^2197872313 is an apocalyptic number.

It is an amenable number.

2197872313 is a deficient number, since it is larger than the sum of its proper divisors (572111687).

2197872313 is a wasteful number, since it uses less digits than its factorization.

2197872313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1752 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 2197872313 is about 46881.4708920273. The cubic root of 2197872313 is about 1300.1720310800.

The spelling of 2197872313 in words is "two billion, one hundred ninety-seven million, eight hundred seventy-two thousand, three hundred thirteen".