311942314 has 4 divisors (see below), whose sum is σ = 467913474. Its totient is φ = 155971156.

The previous prime is 311942297. The next prime is 311942317. The reversal of 311942314 is 413249113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413249113 = 3163 ⋅130651.

It can be written as a sum of positive squares in only one way, i.e., 303630625 + 8311689 = 17425^2 + 2883^2 .

It is not an unprimeable number, because it can be changed into a prime (311942317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77985577 + ... + 77985580.

Almost surely, 2^311942314 is an apocalyptic number.

311942314 is a deficient number, since it is larger than the sum of its proper divisors (155971160).

311942314 is a wasteful number, since it uses less digits than its factorization.

311942314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155971159.

The product of its digits is 2592, while the sum is 28.

The square root of 311942314 is about 17661.8887438462. Note that the first 3 decimals coincide. The cubic root of 311942314 is about 678.2004857223.

The spelling of 311942314 in words is "three hundred eleven million, nine hundred forty-two thousand, three hundred fourteen".