231063506 has 16 divisors (see below), whose sum is σ = 350811384. Its totient is φ = 114130944.

The previous prime is 231063499. The next prime is 231063509. The reversal of 231063506 is 605360132.

It can be written as a sum of positive squares in 4 ways, for example, as 230766481 + 297025 = 15191^2 + 545^2 .

It is not an unprimeable number, because it can be changed into a prime (231063509) 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, 199826 + ... + 200978.

Almost surely, 2^231063506 is an apocalyptic number.

231063506 is a deficient number, since it is larger than the sum of its proper divisors (119747878).

231063506 is a wasteful number, since it uses less digits than its factorization.

231063506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 231063506 is about 15200.7732040183. The cubic root of 231063506 is about 613.6354667558.

The spelling of 231063506 in words is "two hundred thirty-one million, sixty-three thousand, five hundred six".