311122130 has 16 divisors (see below), whose sum is σ = 610930944. Its totient is φ = 113135280.

The previous prime is 311122129. The next prime is 311122139. The reversal of 311122130 is 31221113.

It is not an unprimeable number, because it can be changed into a prime (311122139) 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, 1414082 + ... + 1414301.

It is an arithmetic number, because the mean of its divisors is an integer number (38183184).

Almost surely, 2^311122130 is an apocalyptic number.

311122130 is a deficient number, since it is larger than the sum of its proper divisors (299808814).

311122130 is a wasteful number, since it uses less digits than its factorization.

311122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828401.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 311122130 is about 17638.6544271381. The cubic root of 311122130 is about 677.6055708001.

Adding to 311122130 its reverse (31221113), we get a palindrome (342343243).

The spelling of 311122130 in words is "three hundred eleven million, one hundred twenty-two thousand, one hundred thirty".