311444134 has 16 divisors (see below), whose sum is σ = 474985872. Its totient is φ = 153128448.

The previous prime is 311444113. The next prime is 311444171. The reversal of 311444134 is 431444113.

It is a junction number, because it is equal to n+sod(n) for n = 311444099 and 311444108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48517 + ... + 54559.

It is an arithmetic number, because the mean of its divisors is an integer number (29686617).

Almost surely, 2^311444134 is an apocalyptic number.

311444134 is a deficient number, since it is larger than the sum of its proper divisors (163541738).

311444134 is a wasteful number, since it uses less digits than its factorization.

311444134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471.

The product of its digits is 2304, while the sum is 25.

The square root of 311444134 is about 17647.7798603677. The cubic root of 311444134 is about 677.8392587445.

Adding to 311444134 its reverse (431444113), we get a palindrome (742888247).

The spelling of 311444134 in words is "three hundred eleven million, four hundred forty-four thousand, one hundred thirty-four".