313132122 has 48 divisors (see below), whose sum is σ = 734446080. Its totient is φ = 98877672.

The previous prime is 313132121. The next prime is 313132123. The reversal of 313132122 is 221231313.

313132122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (313132121) and next prime (313132123).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 313132095 and 313132104.

It is not an unprimeable number, because it can be changed into a prime (313132121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11463 + ... + 27525.

It is an arithmetic number, because the mean of its divisors is an integer number (15300960).

Almost surely, 2^313132122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313132122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367223040).

313132122 is an abundant number, since it is smaller than the sum of its proper divisors (421313958).

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

313132122 is a wasteful number, since it uses less digits than its factorization.

313132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112 (or 16087 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 313132122 is about 17695.5396074830. The cubic root of 313132122 is about 679.0616541382.

Adding to 313132122 its reverse (221231313), we get a palindrome (534363435).

It can be divided in two parts, 3131 and 32122, that added together give a palindrome (35253).

The spelling of 313132122 in words is "three hundred thirteen million, one hundred thirty-two thousand, one hundred twenty-two".