314128693 has 4 divisors (see below), whose sum is σ = 314340588. Its totient is φ = 313916800.

The previous prime is 314128681. The next prime is 314128697. The reversal of 314128693 is 396821413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396821413 = 29 ⋅13683497.

It can be written as a sum of positive squares in 2 ways, for example, as 221622769 + 92505924 = 14887^2 + 9618^2 .

It is a cyclic number.

It is not a de Polignac number, because 314128693 - 2²¹ = 312031541 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 (314128697) 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, 103708 + ... + 106693.

It is an arithmetic number, because the mean of its divisors is an integer number (78585147).

Almost surely, 2^314128693 is an apocalyptic number.

It is an amenable number.

314128693 is a deficient number, since it is larger than the sum of its proper divisors (211895).

314128693 is a wasteful number, since it uses less digits than its factorization.

314128693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211894.

The product of its digits is 31104, while the sum is 37.

The square root of 314128693 is about 17723.6760577483. The cubic root of 314128693 is about 679.7812827440.

It can be divided in two parts, 314128 and 693, that added together give a triangular number (314821 = T₇₉₃).

The spelling of 314128693 in words is "three hundred fourteen million, one hundred twenty-eight thousand, six hundred ninety-three".