311325212 has 48 divisors (see below), whose sum is σ = 608231904. Its totient is φ = 138240000.

The previous prime is 311325211. The next prime is 311325221. The reversal of 311325212 is 212523113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311325211) 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 15 ways as a sum of consecutive naturals, for example, 517712 + ... + 518312.

It is an arithmetic number, because the mean of its divisors is an integer number (12671498).

Almost surely, 2^311325212 is an apocalyptic number.

It is an amenable number.

311325212 is a deficient number, since it is larger than the sum of its proper divisors (296906692).

311325212 is a wasteful number, since it uses less digits than its factorization.

311325212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 311325212 is about 17644.4102196701. The cubic root of 311325212 is about 677.7529722555.

Adding to 311325212 its reverse (212523113), we get a palindrome (523848325).

It can be divided in two parts, 311 and 325212, that added together give a palindrome (325523).

The spelling of 311325212 in words is "three hundred eleven million, three hundred twenty-five thousand, two hundred twelve".