313444130 has 16 divisors (see below), whose sum is σ = 597387960. Its totient is φ = 118002432.

The previous prime is 313444129. The next prime is 313444133. The reversal of 313444130 is 31444313.

It can be written as a sum of positive squares in 4 ways, for example, as 279792529 + 33651601 = 16727^2 + 5801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313444096 and 313444105.

It is not an unprimeable number, because it can be changed into a prime (313444133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921725 + ... + 922064.

Almost surely, 2^313444130 is an apocalyptic number.

313444130 is a deficient number, since it is larger than the sum of its proper divisors (283943830).

313444130 is a wasteful number, since it uses less digits than its factorization.

313444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843813.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 313444130 is about 17704.3534194277. The cubic root of 313444130 is about 679.2871205595.

Adding to 313444130 its reverse (31444313), we get a palindrome (344888443).

The spelling of 313444130 in words is "three hundred thirteen million, four hundred forty-four thousand, one hundred thirty".