311223132010 has 64 divisors (see below), whose sum is σ = 655050528000. Its totient is φ = 106418563776.

The previous prime is 311223132007. The next prime is 311223132019. The reversal of 311223132010 is 10231322113.

It is a super-2 number, since 2×311223132010² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311223132019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157761 + ... + 1401019.

It is an arithmetic number, because the mean of its divisors is an integer number (10235164500).

Almost surely, 2^311223132010 is an apocalyptic number.

311223132010 is an abundant number, since it is smaller than the sum of its proper divisors (343827395990).

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

311223132010 is a wasteful number, since it uses less digits than its factorization.

311223132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243660 (or 243646 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311223132010 its reverse (10231322113), we get a palindrome (321454454123).

The spelling of 311223132010 in words is "three hundred eleven billion, two hundred twenty-three million, one hundred thirty-two thousand, ten".