313940071 has 4 divisors (see below), whose sum is σ = 332407152. Its totient is φ = 295472992.

The previous prime is 313940027. The next prime is 313940111. The reversal of 313940071 is 170049313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313940071 - 2⁷ = 313939943 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 (313940171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9233515 + ... + 9233548.

It is an arithmetic number, because the mean of its divisors is an integer number (83101788).

Almost surely, 2^313940071 is an apocalyptic number.

313940071 is a deficient number, since it is larger than the sum of its proper divisors (18467081).

313940071 is a wasteful number, since it uses less digits than its factorization.

313940071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467080.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 313940071 is about 17718.3540714142. The cubic root of 313940071 is about 679.6451948066.

Adding to 313940071 its reverse (170049313), we get a palindrome (483989384).

The spelling of 313940071 in words is "three hundred thirteen million, nine hundred forty thousand, seventy-one".