314431999 has 16 divisors (see below), whose sum is σ = 364139776. Its totient is φ = 265939200.

The previous prime is 314431991. The next prime is 314432009. The reversal of 314431999 is 999134413.

It is a Cunningham number, because it is equal to 680³-1.

It is a cyclic number.

It is not a de Polignac number, because 314431999 - 2³ = 314431991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314431991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387304 + ... + 388114.

It is an arithmetic number, because the mean of its divisors is an integer number (22758736).

Almost surely, 2^314431999 is an apocalyptic number.

314431999 is a deficient number, since it is larger than the sum of its proper divisors (49707777).

314431999 is an equidigital number, since it uses as much as digits as its factorization.

314431999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its digits is 104976, while the sum is 43.

The square root of 314431999 is about 17732.2305139540. The cubic root of 314431999 is about 679.9999992791. Note that the first 6 decimals are identical.

The spelling of 314431999 in words is "three hundred fourteen million, four hundred thirty-one thousand, nine hundred ninety-nine".