231040010 has 16 divisors (see below), whose sum is σ = 416896200. Its totient is φ = 92188416.

The previous prime is 231040009. The next prime is 231040027. The reversal of 231040010 is 10040132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 206468161 + 24571849 = 14369^2 + 4957^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231039973 and 231040000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24155 + ... + 32334.

Almost surely, 2^231040010 is an apocalyptic number.

231040010 is a deficient number, since it is larger than the sum of its proper divisors (185856190).

231040010 is a wasteful number, since it uses less digits than its factorization.

231040010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56905.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 231040010 is about 15200.0003289474. Note that the first 3 decimals coincide. The cubic root of 231040010 is about 613.6146666045.

Adding to 231040010 its reverse (10040132), we get a palindrome (241080142).

The spelling of 231040010 in words is "two hundred thirty-one million, forty thousand, ten".