231033345 has 8 divisors (see below), whose sum is σ = 369653376. Its totient is φ = 123217776.

The previous prime is 231033329. The next prime is 231033347. The reversal of 231033345 is 543330132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231033345 - 2⁴ = 231033329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231033347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7701097 + ... + 7701126.

It is an arithmetic number, because the mean of its divisors is an integer number (46206672).

Almost surely, 2^231033345 is an apocalyptic number.

It is an amenable number.

231033345 is a deficient number, since it is larger than the sum of its proper divisors (138620031).

231033345 is a wasteful number, since it uses less digits than its factorization.

231033345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15402231.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 231033345 is about 15199.7810839499. The cubic root of 231033345 is about 613.6087660665.

Adding to 231033345 its reverse (543330132), we get a palindrome (774363477).

The spelling of 231033345 in words is "two hundred thirty-one million, thirty-three thousand, three hundred forty-five".