231015046 has 8 divisors (see below), whose sum is σ = 346991184. Its totient is φ = 115351320.

The previous prime is 231015019. The next prime is 231015067. The reversal of 231015046 is 640510132.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76245 + ... + 79216.

It is an arithmetic number, because the mean of its divisors is an integer number (43373898).

Almost surely, 2^231015046 is an apocalyptic number.

231015046 is a deficient number, since it is larger than the sum of its proper divisors (115976138).

231015046 is a wasteful number, since it uses less digits than its factorization.

231015046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156206.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231015046 is about 15199.1791225711. The cubic root of 231015046 is about 613.5925653412.

Adding to 231015046 its reverse (640510132), we get a palindrome (871525178).

The spelling of 231015046 in words is "two hundred thirty-one million, fifteen thousand, forty-six".