313444740 has 96 divisors (see below), whose sum is σ = 1005548544. Its totient is φ = 71464320.

The previous prime is 313444717. The next prime is 313444801. The reversal of 313444740 is 47444313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 313444698 and 313444707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239167 + ... + 240473.

It is an arithmetic number, because the mean of its divisors is an integer number (10474464).

Almost surely, 2^313444740 is an apocalyptic number.

313444740 is a gapful number since it is divisible by the number (30) 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 313444740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502774272).

313444740 is an abundant number, since it is smaller than the sum of its proper divisors (692103804).

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

313444740 is a wasteful number, since it uses less digits than its factorization.

313444740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 313444740 is about 17704.3706468205. The cubic root of 313444740 is about 679.2875612174.

It can be divided in two parts, 3134 and 44740, that added together give a palindrome (47874).

The spelling of 313444740 in words is "three hundred thirteen million, four hundred forty-four thousand, seven hundred forty".