312661367 has 8 divisors (see below), whose sum is σ = 320885712. Its totient is φ = 304465600.

The previous prime is 312661339. The next prime is 312661369. The reversal of 312661367 is 763166213.

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 312661367 - 2⁶ = 312661303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312661369) 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, 15992 + ... + 29682.

It is an arithmetic number, because the mean of its divisors is an integer number (40110714).

Almost surely, 2^312661367 is an apocalyptic number.

312661367 is a deficient number, since it is larger than the sum of its proper divisors (8224345).

312661367 is a wasteful number, since it uses less digits than its factorization.

312661367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289.

The product of its digits is 27216, while the sum is 35.

The square root of 312661367 is about 17682.2330886119. The cubic root of 312661367 is about 678.7211886969.

The spelling of 312661367 in words is "three hundred twelve million, six hundred sixty-one thousand, three hundred sixty-seven".