1314331345 has 4 divisors (see below), whose sum is σ = 1577197620. Its totient is φ = 1051465072.

The previous prime is 1314331313. The next prime is 1314331379. The reversal of 1314331345 is 5431334131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5431334131 = 17 ⋅319490243.

It can be written as a sum of positive squares in 2 ways, for example, as 1046910736 + 267420609 = 32356^2 + 16353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314331345 - 2⁵ = 1314331313 is a prime.

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, 131433130 + ... + 131433139.

It is an arithmetic number, because the mean of its divisors is an integer number (394299405).

Almost surely, 2^1314331345 is an apocalyptic number.

It is an amenable number.

1314331345 is a deficient number, since it is larger than the sum of its proper divisors (262866275).

1314331345 is an equidigital number, since it uses as much as digits as its factorization.

1314331345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262866274.

The product of its digits is 6480, while the sum is 28.

The square root of 1314331345 is about 36253.7080172498. The cubic root of 1314331345 is about 1095.3887807210.

Adding to 1314331345 its reverse (5431334131), we get a palindrome (6745665476).

The spelling of 1314331345 in words is "one billion, three hundred fourteen million, three hundred thirty-one thousand, three hundred forty-five".