313230122112 has 128 divisors (see below), whose sum is σ = 870629290560. Its totient is φ = 99671150592.

The previous prime is 313230122087. The next prime is 313230122129. The reversal of 313230122112 is 211221032313.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×313230122112² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545043 + ... + 961005.

Almost surely, 2^313230122112 is an apocalyptic number.

313230122112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313230122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435314645280).

313230122112 is an abundant number, since it is smaller than the sum of its proper divisors (557399168448).

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

313230122112 is a wasteful number, since it uses less digits than its factorization.

313230122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416070 (or 416058 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313230122112 its reverse (211221032313), we get a palindrome (524451154425).

The spelling of 313230122112 in words is "three hundred thirteen billion, two hundred thirty million, one hundred twenty-two thousand, one hundred twelve".