231693850 has 24 divisors (see below), whose sum is σ = 456302268. Its totient is φ = 87225600.

The previous prime is 231693823. The next prime is 231693851. The reversal of 231693850 is 58396132.

It can be written as a sum of positive squares in 6 ways, for example, as 133148521 + 98545329 = 11539^2 + 9927^2 .

It is not an unprimeable number, because it can be changed into a prime (231693851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135441 + ... + 137140.

Almost surely, 2^231693850 is an apocalyptic number.

231693850 is a deficient number, since it is larger than the sum of its proper divisors (224608418).

231693850 is a wasteful number, since it uses less digits than its factorization.

231693850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272610 (or 272605 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 231693850 is about 15221.4930279523. The cubic root of 231693850 is about 614.1929617355.

The spelling of 231693850 in words is "two hundred thirty-one million, six hundred ninety-three thousand, eight hundred fifty".