314021143 has 8 divisors (see below), whose sum is σ = 318836736. Its totient is φ = 309216600.

The previous prime is 314021137. The next prime is 314021159. The reversal of 314021143 is 341120413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314021143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314021143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314021443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68130 + ... + 72592.

It is an arithmetic number, because the mean of its divisors is an integer number (39854592).

Almost surely, 2^314021143 is an apocalyptic number.

314021143 is a deficient number, since it is larger than the sum of its proper divisors (4815593).

314021143 is an equidigital number, since it uses as much as digits as its factorization.

314021143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 314021143 is about 17720.6417208858. The cubic root of 314021143 is about 679.7036937134.

Adding to 314021143 its reverse (341120413), we get a palindrome (655141556).

The spelling of 314021143 in words is "three hundred fourteen million, twenty-one thousand, one hundred forty-three".