313023211312 has 160 divisors (see below), whose sum is σ = 707704418304. Its totient is φ = 131369472000.

The previous prime is 313023211271. The next prime is 313023211313. The reversal of 313023211312 is 213112320313.

It is a super-2 number, since 2×313023211312² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313023211313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726271737 + ... + 726272167.

Almost surely, 2^313023211312 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 313023211312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353852209152).

313023211312 is an abundant number, since it is smaller than the sum of its proper divisors (394681206992).

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

313023211312 is a wasteful number, since it uses less digits than its factorization.

313023211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313023211312 its reverse (213112320313), we get a palindrome (526135531625).

The spelling of 313023211312 in words is "three hundred thirteen billion, twenty-three million, two hundred eleven thousand, three hundred twelve".