313222440132 has 96 divisors (see below), whose sum is σ = 928679270400. Its totient is φ = 89433036576.

The previous prime is 313222440121. The next prime is 313222440143. The reversal of 313222440132 is 231044222313.

313222440132 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 224 + 401 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (313222440121) and next prime (313222440143).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 313222440096 and 313222440105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015369 + ... + 1287407.

It is an arithmetic number, because the mean of its divisors is an integer number (9673742400).

Almost surely, 2^313222440132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313222440132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464339635200).

313222440132 is an abundant number, since it is smaller than the sum of its proper divisors (615456830268).

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

313222440132 is a wasteful number, since it uses less digits than its factorization.

313222440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273582 (or 273574 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 313222440132 its reverse (231044222313), we get a palindrome (544266662445).

The spelling of 313222440132 in words is "three hundred thirteen billion, two hundred twenty-two million, four hundred forty thousand, one hundred thirty-two".