691308314 has 8 divisors (see below), whose sum is σ = 1037075508. Its totient is φ = 345616480.

The previous prime is 691308311. The next prime is 691308341. The reversal of 691308314 is 413803196.

691308314 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 655104025 + 36204289 = 25595^2 + 6017^2 .

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

It is not an unprimeable number, because it can be changed into a prime (691308311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20654 + ... + 42534.

Almost surely, 2^691308314 is an apocalyptic number.

691308314 is a deficient number, since it is larger than the sum of its proper divisors (345767194).

691308314 is a wasteful number, since it uses less digits than its factorization.

691308314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37680.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 691308314 is about 26292.7426108423. The cubic root of 691308314 is about 884.2137415425.

It can be divided in two parts, 691308 and 314, that multiplied together give a palindrome (217070712).

The spelling of 691308314 in words is "six hundred ninety-one million, three hundred eight thousand, three hundred fourteen".