314440403 has 2 divisors, whose sum is σ = 314440404. Its totient is φ = 314440402.

The previous prime is 314440391. The next prime is 314440411. The reversal of 314440403 is 304044413.

It is a strong prime.

It is an emirp because it is prime and its reverse (304044413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314440403 - 2⁶ = 314440339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (314440453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157220201 + 157220202.

It is an arithmetic number, because the mean of its divisors is an integer number (157220202).

Almost surely, 2^314440403 is an apocalyptic number.

314440403 is a deficient number, since it is larger than the sum of its proper divisors (1).

314440403 is an equidigital number, since it uses as much as digits as its factorization.

314440403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 314440403 is about 17732.4674819947. The cubic root of 314440403 is about 680.0060574720.

Adding to 314440403 its reverse (304044413), we get a palindrome (618484816).

The spelling of 314440403 in words is "three hundred fourteen million, four hundred forty thousand, four hundred three".