314331381 has 64 divisors (see below), whose sum is σ = 577292800. Its totient is φ = 165582144.

The previous prime is 314331373. The next prime is 314331397. The reversal of 314331381 is 183133413.

It is not a de Polignac number, because 314331381 - 2³ = 314331373 is a prime.

It is a super-2 number, since 2×314331381² = 197608434162734322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314331301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414855 + ... + 415611.

It is an arithmetic number, because the mean of its divisors is an integer number (9020200).

Almost surely, 2^314331381 is an apocalyptic number.

It is an amenable number.

314331381 is a deficient number, since it is larger than the sum of its proper divisors (262961419).

314331381 is an equidigital number, since it uses as much as digits as its factorization.

314331381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 780 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 314331381 is about 17729.3931368223. The cubic root of 314331381 is about 679.9274583804.

Adding to 314331381 its reverse (183133413), we get a palindrome (497464794).

The spelling of 314331381 in words is "three hundred fourteen million, three hundred thirty-one thousand, three hundred eighty-one".