311424311 has 8 divisors (see below), whose sum is σ = 343035264. Its totient is φ = 280363320.

The previous prime is 311424283. The next prime is 311424317. The reversal of 311424311 is 113424113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311424311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311424317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136301 + ... + 138566.

It is an arithmetic number, because the mean of its divisors is an integer number (42879408).

Almost surely, 2^311424311 is an apocalyptic number.

311424311 is a deficient number, since it is larger than the sum of its proper divisors (31610953).

311424311 is a wasteful number, since it uses less digits than its factorization.

311424311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274981.

The product of its digits is 288, while the sum is 20.

The square root of 311424311 is about 17647.2182227115. The cubic root of 311424311 is about 677.8248772539.

Adding to 311424311 its reverse (113424113), we get a palindrome (424848424).

It can be divided in two parts, 31142 and 4311, that added together give a palindrome (35453).

The spelling of 311424311 in words is "three hundred eleven million, four hundred twenty-four thousand, three hundred eleven".