312340151 has 4 divisors (see below), whose sum is σ = 313925832. Its totient is φ = 310754472.

The previous prime is 312340141. The next prime is 312340157. The reversal of 312340151 is 151043213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151043213 = 37 ⋅4082249.

It is a cyclic number.

It is not a de Polignac number, because 312340151 - 2⁶ = 312340087 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 (312340157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792545 + ... + 792938.

It is an arithmetic number, because the mean of its divisors is an integer number (78481458).

Almost surely, 2^312340151 is an apocalyptic number.

312340151 is a deficient number, since it is larger than the sum of its proper divisors (1585681).

312340151 is a wasteful number, since it uses less digits than its factorization.

312340151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585680.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 312340151 is about 17673.1477388721. The cubic root of 312340151 is about 678.4886785635.

Adding to 312340151 its reverse (151043213), we get a palindrome (463383364).

The spelling of 312340151 in words is "three hundred twelve million, three hundred forty thousand, one hundred fifty-one".