231012466 has 4 divisors (see below), whose sum is σ = 346518702. Its totient is φ = 115506232.

The previous prime is 231012427. The next prime is 231012479. The reversal of 231012466 is 664210132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143496441 + 87516025 = 11979^2 + 9355^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231012466.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57753115 + ... + 57753118.

Almost surely, 2^231012466 is an apocalyptic number.

231012466 is a deficient number, since it is larger than the sum of its proper divisors (115506236).

231012466 is a wasteful number, since it uses less digits than its factorization.

231012466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115506235.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 231012466 is about 15199.0942493295. The cubic root of 231012466 is about 613.5902811109.

Adding to 231012466 its reverse (664210132), we get a palindrome (895222598).

The spelling of 231012466 in words is "two hundred thirty-one million, twelve thousand, four hundred sixty-six".