312140014 has 4 divisors (see below), whose sum is σ = 468210024. Its totient is φ = 156070006.

The previous prime is 312139991. The next prime is 312140027. The reversal of 312140014 is 410041213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410041213 = 97 ⋅4227229.

It is a self number, because there is not a number n which added to its sum of digits gives 312140014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78035002 + ... + 78035005.

It is an arithmetic number, because the mean of its divisors is an integer number (117052506).

Almost surely, 2^312140014 is an apocalyptic number.

312140014 is a deficient number, since it is larger than the sum of its proper divisors (156070010).

312140014 is a wasteful number, since it uses less digits than its factorization.

312140014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156070009.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 312140014 is about 17667.4846540191. The cubic root of 312140014 is about 678.3437300708.

Adding to 312140014 its reverse (410041213), we get a palindrome (722181227).

The spelling of 312140014 in words is "three hundred twelve million, one hundred forty thousand, fourteen".