311437427 has 8 divisors (see below), whose sum is σ = 356939616. Its totient is φ = 266188032.

The previous prime is 311437397. The next prime is 311437429. The reversal of 311437427 is 724734113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311437427 - 2²⁴ = 294660211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311437393 and 311437402.

It is not an unprimeable number, because it can be changed into a prime (311437429) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 60548 + ... + 65489.

It is an arithmetic number, because the mean of its divisors is an integer number (44617452).

Almost surely, 2^311437427 is an apocalyptic number.

311437427 is a deficient number, since it is larger than the sum of its proper divisors (45502189).

311437427 is a wasteful number, since it uses less digits than its factorization.

311437427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126397.

The product of its digits is 14112, while the sum is 32.

The square root of 311437427 is about 17647.5898354421. The cubic root of 311437427 is about 677.8343929168.

The spelling of 311437427 in words is "three hundred eleven million, four hundred thirty-seven thousand, four hundred twenty-seven".