313432445 has 8 divisors (see below), whose sum is σ = 378515544. Its totient is φ = 249148224.

The previous prime is 313432433. The next prime is 313432481. The reversal of 313432445 is 544234313.

It can be written as a sum of positive squares in 4 ways, for example, as 31125241 + 282307204 = 5579^2 + 16802^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313432445 - 2⁶ = 313432381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198854 + ... + 200423.

It is an arithmetic number, because the mean of its divisors is an integer number (47314443).

Almost surely, 2^313432445 is an apocalyptic number.

It is an amenable number.

313432445 is a deficient number, since it is larger than the sum of its proper divisors (65083099).

313432445 is a wasteful number, since it uses less digits than its factorization.

313432445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399439.

The product of its digits is 17280, while the sum is 29.

The square root of 313432445 is about 17704.0234127726. The cubic root of 313432445 is about 679.2786793225.

Adding to 313432445 its reverse (544234313), we get a palindrome (857666758).

The spelling of 313432445 in words is "three hundred thirteen million, four hundred thirty-two thousand, four hundred forty-five".