231036155 has 8 divisors (see below), whose sum is σ = 316849632. Its totient is φ = 158424768.

The previous prime is 231036151. The next prime is 231036163. The reversal of 231036155 is 551630132.

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

It is a cyclic number.

It is not a de Polignac number, because 231036155 - 2² = 231036151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231036151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300482 + ... + 3300551.

It is an arithmetic number, because the mean of its divisors is an integer number (39606204).

Almost surely, 2^231036155 is an apocalyptic number.

231036155 is a deficient number, since it is larger than the sum of its proper divisors (85813477).

231036155 is an equidigital number, since it uses as much as digits as its factorization.

231036155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601045.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 231036155 is about 15199.8735192106. The cubic root of 231036155 is about 613.6112537790.

Adding to 231036155 its reverse (551630132), we get a palindrome (782666287).

The spelling of 231036155 in words is "two hundred thirty-one million, thirty-six thousand, one hundred fifty-five".