208300000931 has 12 divisors (see below), whose sum is σ = 230629095816. Its totient is φ = 187981405920.

The previous prime is 208300000921. The next prime is 208300000943. The reversal of 208300000931 is 139000003802.

It is not a de Polignac number, because 208300000931 - 2¹⁴ = 208299984547 is a prime.

It is a super-2 number, since 2×208300000931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208300000931.

It is not an unprimeable number, because it can be changed into a prime (208300000921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6266225 + ... + 6299378.

It is an arithmetic number, because the mean of its divisors is an integer number (19219091318).

Almost surely, 2^208300000931 is an apocalyptic number.

208300000931 is the 243956-th centered heptagonal number.

208300000931 is a deficient number, since it is larger than the sum of its proper divisors (22329094885).

208300000931 is a wasteful number, since it uses less digits than its factorization.

208300000931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12565762 (or 12565751 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 208300000931 in words is "two hundred eight billion, three hundred million, nine hundred thirty-one", and thus it is an aban number.