311671427 has 4 divisors (see below), whose sum is σ = 321725376. Its totient is φ = 301617480.

The previous prime is 311671397. The next prime is 311671441. The reversal of 311671427 is 724176113.

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 311671427 - 2⁶ = 311671363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311671393 and 311671402.

It is not an unprimeable number, because it can be changed into a prime (311671127) 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, 5026928 + ... + 5026989.

It is an arithmetic number, because the mean of its divisors is an integer number (80431344).

Almost surely, 2^311671427 is an apocalyptic number.

311671427 is a deficient number, since it is larger than the sum of its proper divisors (10053949).

311671427 is a wasteful number, since it uses less digits than its factorization.

311671427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053948.

The product of its digits is 7056, while the sum is 32.

The square root of 311671427 is about 17654.2183910815. The cubic root of 311671427 is about 678.0041151208.

The spelling of 311671427 in words is "three hundred eleven million, six hundred seventy-one thousand, four hundred twenty-seven".