313231103320 has 64 divisors (see below), whose sum is σ = 731564784000. Its totient is φ = 120616327680.

The previous prime is 313231103291. The next prime is 313231103327. The reversal of 313231103320 is 23301132313.

It is a super-3 number, since 3×313231103320³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 313231103291 and 313231103300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313231103327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250995 + ... + 1480354.

It is an arithmetic number, because the mean of its divisors is an integer number (11430699750).

Almost surely, 2^313231103320 is an apocalyptic number.

It is an amenable number.

313231103320 is an abundant number, since it is smaller than the sum of its proper divisors (418333680680).

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

313231103320 is a wasteful number, since it uses less digits than its factorization.

313231103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731468 (or 2731464 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313231103320 its reverse (23301132313), we get a palindrome (336532235633).

The spelling of 313231103320 in words is "three hundred thirteen billion, two hundred thirty-one million, one hundred three thousand, three hundred twenty".