311042302 has 16 divisors (see below), whose sum is σ = 495583920. Its totient is φ = 145906048.

The previous prime is 311042243. The next prime is 311042309. The reversal of 311042302 is 203240113.

It is a happy number.

311042302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311042309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 25207.

It is an arithmetic number, because the mean of its divisors is an integer number (30973995).

Almost surely, 2^311042302 is an apocalyptic number.

311042302 is a deficient number, since it is larger than the sum of its proper divisors (184541618).

311042302 is a wasteful number, since it uses less digits than its factorization.

311042302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29195.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 311042302 is about 17636.3914109435. The cubic root of 311042302 is about 677.5476122909.

Adding to 311042302 its reverse (203240113), we get a palindrome (514282415).

The spelling of 311042302 in words is "three hundred eleven million, forty-two thousand, three hundred two".