312134861 has 8 divisors (see below), whose sum is σ = 318730464. Its totient is φ = 305565520.

The previous prime is 312134827. The next prime is 312134881. The reversal of 312134861 is 168431213.

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 312134861 - 2¹⁰ = 312133837 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312134821) 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, 18446 + ... + 31056.

It is an arithmetic number, because the mean of its divisors is an integer number (39841308).

Almost surely, 2^312134861 is an apocalyptic number.

It is an amenable number.

312134861 is a deficient number, since it is larger than the sum of its proper divisors (6595603).

312134861 is a wasteful number, since it uses less digits than its factorization.

312134861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131.

The product of its digits is 3456, while the sum is 29.

The square root of 312134861 is about 17667.3388205468. The cubic root of 312134861 is about 678.3399972112.

The spelling of 312134861 in words is "three hundred twelve million, one hundred thirty-four thousand, eight hundred sixty-one".