311332042 has 24 divisors (see below), whose sum is σ = 545363424. Its totient is φ = 130576152.

The previous prime is 311332031. The next prime is 311332069. The reversal of 311332042 is 240233113.

311332042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25893 + ... + 35959.

It is an arithmetic number, because the mean of its divisors is an integer number (22723476).

Almost surely, 2^311332042 is an apocalyptic number.

311332042 is a deficient number, since it is larger than the sum of its proper divisors (234031382).

311332042 is a wasteful number, since it uses less digits than its factorization.

311332042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 10123 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 311332042 is about 17644.6037643241. The cubic root of 311332042 is about 677.7579285079.

Adding to 311332042 its reverse (240233113), we get a palindrome (551565155).

The spelling of 311332042 in words is "three hundred eleven million, three hundred thirty-two thousand, forty-two".