311241234 has 16 divisors (see below), whose sum is σ = 624087360. Its totient is φ = 103479600.

The previous prime is 311241193. The next prime is 311241239. The reversal of 311241234 is 432142113.

It is a super-2 number, since 2×311241234² = 193742211483685512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311241234.

It is not an unprimeable number, because it can be changed into a prime (311241239) 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, 64342 + ... + 69009.

It is an arithmetic number, because the mean of its divisors is an integer number (39005460).

Almost surely, 2^311241234 is an apocalyptic number.

311241234 is an abundant number, since it is smaller than the sum of its proper divisors (312846126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311241234 is a wasteful number, since it uses less digits than its factorization.

311241234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133745.

The product of its digits is 576, while the sum is 21.

The square root of 311241234 is about 17642.0303253339. The cubic root of 311241234 is about 677.6920269211.

Adding to 311241234 its reverse (432142113), we get a palindrome (743383347).

The spelling of 311241234 in words is "three hundred eleven million, two hundred forty-one thousand, two hundred thirty-four".