313103140 has 144 divisors (see below), whose sum is σ = 827366400. Its totient is φ = 98934528.

The previous prime is 313103137. The next prime is 313103159. The reversal of 313103140 is 41301313.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 653421 + ... + 653899.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^313103140 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 313103140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413683200).

313103140 is an abundant number, since it is smaller than the sum of its proper divisors (514263260).

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

313103140 is a wasteful number, since it uses less digits than its factorization.

313103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 313103140 is about 17694.7206816044. The cubic root of 313103140 is about 679.0407032673.

Adding to 313103140 its reverse (41301313), we get a palindrome (354404453).

The spelling of 313103140 in words is "three hundred thirteen million, one hundred three thousand, one hundred forty".