231044649 has 32 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 134996160.

The previous prime is 231044599. The next prime is 231044651. The reversal of 231044649 is 946440132.

It is not a de Polignac number, because 231044649 - 2⁷ = 231044521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (231044669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102072 + ... + 104310.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^231044649 is an apocalyptic number.

It is an amenable number.

231044649 is a deficient number, since it is larger than the sum of its proper divisors (117320151).

231044649 is a wasteful number, since it uses less digits than its factorization.

231044649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 231044649 is about 15200.1529268623. The cubic root of 231044649 is about 613.6187734536.

The spelling of 231044649 in words is "two hundred thirty-one million, forty-four thousand, six hundred forty-nine".