231380834 has 16 divisors (see below), whose sum is σ = 351987768. Its totient is φ = 114062592.

The previous prime is 231380833. The next prime is 231380837. The reversal of 231380834 is 438083132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 193126609 + 38254225 = 13897^2 + 6185^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 231380834.

It is not an unprimeable number, because it can be changed into a prime (231380833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41924 + ... + 47120.

Almost surely, 2^231380834 is an apocalyptic number.

231380834 is a deficient number, since it is larger than the sum of its proper divisors (120606934).

231380834 is a wasteful number, since it uses less digits than its factorization.

231380834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 231380834 is about 15211.2075128834. The cubic root of 231380834 is about 613.9162476348.

The spelling of 231380834 in words is "two hundred thirty-one million, three hundred eighty thousand, eight hundred thirty-four".