311141321 has 8 divisors (see below), whose sum is σ = 327760320. Its totient is φ = 294546672.

The previous prime is 311141317. The next prime is 311141329. The reversal of 311141321 is 123141113.

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 311141321 - 2² = 311141317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 311141321.

It is not an unprimeable number, because it can be changed into a prime (311141329) 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, 24011 + ... + 34623.

It is an arithmetic number, because the mean of its divisors is an integer number (40970040).

Almost surely, 2^311141321 is an apocalyptic number.

It is an amenable number.

311141321 is a deficient number, since it is larger than the sum of its proper divisors (16618999).

311141321 is a wasteful number, since it uses less digits than its factorization.

311141321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175.

The product of its digits is 72, while the sum is 17.

The square root of 311141321 is about 17639.1984228309. The cubic root of 311141321 is about 677.6195028008.

Adding to 311141321 its reverse (123141113), we get a palindrome (434282434).

The spelling of 311141321 in words is "three hundred eleven million, one hundred forty-one thousand, three hundred twenty-one".