231930010 has 32 divisors (see below), whose sum is σ = 451195920. Its totient is φ = 85329408.

The previous prime is 231930001. The next prime is 231930011. The reversal of 231930010 is 10039132.

It can be written as a sum of positive squares in 8 ways, for example, as 84768849 + 147161161 = 9207^2 + 12131^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231930010.

It is not an unprimeable number, because it can be changed into a prime (231930011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35046 + ... + 41134.

Almost surely, 2^231930010 is an apocalyptic number.

231930010 is a deficient number, since it is larger than the sum of its proper divisors (219265910).

231930010 is a wasteful number, since it uses less digits than its factorization.

231930010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 231930010 is about 15229.2485041121. The cubic root of 231930010 is about 614.4015682746.

Adding to 231930010 its reverse (10039132), we get a palindrome (241969142).

The spelling of 231930010 in words is "two hundred thirty-one million, nine hundred thirty thousand, ten".