2106312970 has 8 divisors (see below), whose sum is σ = 3791363364. Its totient is φ = 842525184.

The previous prime is 2106312961. The next prime is 2106312977. The reversal of 2106312970 is 792136012.

It can be written as a sum of positive squares in 2 ways, for example, as 2103781689 + 2531281 = 45867^2 + 1591^2 .

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

It is a super-3 number, since 3×2106312970³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2106312977) 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, 105315639 + ... + 105315658.

Almost surely, 2^2106312970 is an apocalyptic number.

2106312970 is a deficient number, since it is larger than the sum of its proper divisors (1685050394).

2106312970 is a wasteful number, since it uses less digits than its factorization.

2106312970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210631304.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2106312970 is about 45894.5854104817. The cubic root of 2106312970 is about 1281.8610968053.

Adding to 2106312970 its reverse (792136012), we get a palindrome (2898448982).

The spelling of 2106312970 in words is "two billion, one hundred six million, three hundred twelve thousand, nine hundred seventy".