231412215 has 8 divisors (see below), whose sum is σ = 370259568. Its totient is φ = 123419840.

The previous prime is 231412201. The next prime is 231412231. The reversal of 231412215 is 512214132.

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

It is not a de Polignac number, because 231412215 - 2⁸ = 231411959 is a prime.

It is a super-2 number, since 2×231412215² = 107103226502412450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231412191 and 231412200.

It is a congruent number.

It is an unprimeable number.

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, 7713726 + ... + 7713755.

It is an arithmetic number, because the mean of its divisors is an integer number (46282446).

Almost surely, 2^231412215 is an apocalyptic number.

231412215 is a deficient number, since it is larger than the sum of its proper divisors (138847353).

231412215 is a wasteful number, since it uses less digits than its factorization.

231412215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427489.

The product of its digits is 480, while the sum is 21.

The square root of 231412215 is about 15212.2389870788. The cubic root of 231412215 is about 613.9440004879.

Adding to 231412215 its reverse (512214132), we get a palindrome (743626347).

The spelling of 231412215 in words is "two hundred thirty-one million, four hundred twelve thousand, two hundred fifteen".