312040241 has 8 divisors (see below), whose sum is σ = 325788864. Its totient is φ = 298306800.

The previous prime is 312040213. The next prime is 312040247. The reversal of 312040241 is 142040213.

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 312040241 - 2⁶ = 312040177 is a prime.

It is a super-2 number, since 2×312040241² = 194738224006676162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312040247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64766 + ... + 69416.

It is an arithmetic number, because the mean of its divisors is an integer number (40723608).

Almost surely, 2^312040241 is an apocalyptic number.

It is an amenable number.

312040241 is a deficient number, since it is larger than the sum of its proper divisors (13748623).

312040241 is a wasteful number, since it uses less digits than its factorization.

312040241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312040241 is about 17664.6607949318. The cubic root of 312040241 is about 678.2714466954.

Adding to 312040241 its reverse (142040213), we get a palindrome (454080454).

The spelling of 312040241 in words is "three hundred twelve million, forty thousand, two hundred forty-one".