210131708 has 12 divisors (see below), whose sum is σ = 368106312. Its totient is φ = 104958480.

The previous prime is 210131693. The next prime is 210131717. The reversal of 210131708 is 807131012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22358 + ... + 30333.

It is an arithmetic number, because the mean of its divisors is an integer number (30675526).

Almost surely, 2^210131708 is an apocalyptic number.

It is an amenable number.

210131708 is a deficient number, since it is larger than the sum of its proper divisors (157974604).

210131708 is a wasteful number, since it uses less digits than its factorization.

210131708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53692 (or 53690 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 210131708 is about 14495.9203916136. The cubic root of 210131708 is about 594.5164331278.

The spelling of 210131708 in words is "two hundred ten million, one hundred thirty-one thousand, seven hundred eight".