313440541 has 4 divisors (see below), whose sum is σ = 314660412. Its totient is φ = 312220672.

The previous prime is 313440521. The next prime is 313440551. The reversal of 313440541 is 145044313.

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 300328900 + 13111641 = 17330^2 + 3621^2 .

It is a cyclic number.

It is not a de Polignac number, because 313440541 - 2¹¹ = 313438493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313440521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609550 + ... + 610063.

It is an arithmetic number, because the mean of its divisors is an integer number (78665103).

Almost surely, 2^313440541 is an apocalyptic number.

It is an amenable number.

313440541 is a deficient number, since it is larger than the sum of its proper divisors (1219871).

313440541 is a wasteful number, since it uses less digits than its factorization.

313440541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219870.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 313440541 is about 17704.2520598866. The cubic root of 313440541 is about 679.2845278904.

Adding to 313440541 its reverse (145044313), we get a palindrome (458484854).

The spelling of 313440541 in words is "three hundred thirteen million, four hundred forty thousand, five hundred forty-one".