311142441 has 8 divisors (see below), whose sum is σ = 417006880. Its totient is φ = 206353152.

The previous prime is 311142437. The next prime is 311142457. The reversal of 311142441 is 144241113.

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

It is not a de Polignac number, because 311142441 - 2² = 311142437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311142431) 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, 268111 + ... + 269268.

It is an arithmetic number, because the mean of its divisors is an integer number (52125860).

Almost surely, 2^311142441 is an apocalyptic number.

It is an amenable number.

311142441 is a deficient number, since it is larger than the sum of its proper divisors (105864439).

311142441 is a wasteful number, since it uses less digits than its factorization.

311142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537575.

The product of its digits is 384, while the sum is 21.

The square root of 311142441 is about 17639.2301702767. The cubic root of 311142441 is about 677.6203158642.

Adding to 311142441 its reverse (144241113), we get a palindrome (455383554).

The spelling of 311142441 in words is "three hundred eleven million, one hundred forty-two thousand, four hundred forty-one".