313078 has 4 divisors (see below), whose sum is σ = 469620. Its totient is φ = 156538.

The previous prime is 313037. The next prime is 313081. The reversal of 313078 is 870313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 870313 = 53 ⋅16421.

It is a congruent number.

It is an unprimeable number.

313078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78268 + ... + 78271.

It is an arithmetic number, because the mean of its divisors is an integer number (117405).

2³¹³⁰⁷⁸ is an apocalyptic number.

313078 is a deficient number, since it is larger than the sum of its proper divisors (156542).

313078 is a wasteful number, since it uses less digits than its factorization.

313078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156541.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 313078 is about 559.5337344611. The cubic root of 313078 is about 67.9022528702.

The spelling of 313078 in words is "three hundred thirteen thousand, seventy-eight".