206886842331 has 48 divisors (see below), whose sum is σ = 308191910400. Its totient is φ = 123330370176.

The previous prime is 206886842329. The next prime is 206886842333. The reversal of 206886842331 is 133248688602.

It is an interprime number because it is at equal distance from previous prime (206886842329) and next prime (206886842333).

It is not a de Polignac number, because 206886842331 - 2¹ = 206886842329 is a prime.

It is a super-2 number, since 2×206886842331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206886842333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2074080 + ... + 2171538.

It is an arithmetic number, because the mean of its divisors is an integer number (6420664800).

Almost surely, 2^206886842331 is an apocalyptic number.

206886842331 is a deficient number, since it is larger than the sum of its proper divisors (101305068069).

206886842331 is a wasteful number, since it uses less digits than its factorization.

206886842331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97620 (or 97607 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 206886842331 in words is "two hundred six billion, eight hundred eighty-six million, eight hundred forty-two thousand, three hundred thirty-one".