208231010 has 16 divisors (see below), whose sum is σ = 403648056. Its totient is φ = 76885248.

The previous prime is 208230949. The next prime is 208231021. The reversal of 208231010 is 10132802.

It can be written as a sum of positive squares in 4 ways, for example, as 77563249 + 130667761 = 8807^2 + 11431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 208231010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800759 + ... + 801018.

Almost surely, 2^208231010 is an apocalyptic number.

208231010 is a deficient number, since it is larger than the sum of its proper divisors (195417046).

208231010 is a wasteful number, since it uses less digits than its factorization.

208231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601797.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 208231010 is about 14430.2117101587. The cubic root of 208231010 is about 592.7184806734.

Adding to 208231010 its reverse (10132802), we get a palindrome (218363812).

The spelling of 208231010 in words is "two hundred eight million, two hundred thirty-one thousand, ten".