313544045 has 4 divisors (see below), whose sum is σ = 376252860. Its totient is φ = 250835232.

The previous prime is 313543999. The next prime is 313544057. The reversal of 313544045 is 540445313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103815721 + 209728324 = 10189^2 + 14482^2 .

It is a cyclic number.

It is not a de Polignac number, because 313544045 - 2¹² = 313539949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313543999 and 313544017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31354400 + ... + 31354409.

It is an arithmetic number, because the mean of its divisors is an integer number (94063215).

Almost surely, 2^313544045 is an apocalyptic number.

It is an amenable number.

313544045 is a deficient number, since it is larger than the sum of its proper divisors (62708815).

313544045 is an equidigital number, since it uses as much as digits as its factorization.

313544045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62708814.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 313544045 is about 17707.1749581914. The cubic root of 313544045 is about 679.3592905316.

Adding to 313544045 its reverse (540445313), we get a palindrome (853989358).

The spelling of 313544045 in words is "three hundred thirteen million, five hundred forty-four thousand, forty-five".