31311314 has 8 divisors (see below), whose sum is σ = 49729788. Its totient is φ = 14734720.

The previous prime is 31311281. The next prime is 31311323. The reversal of 31311314 is 41311313.

It can be written as a sum of positive squares in 2 ways, for example, as 30614089 + 697225 = 5533^2 + 835^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 31311292 and 31311301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460427 + ... + 460494.

Almost surely, 2^31311314 is an apocalyptic number.

31311314 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31311314 is a deficient number, since it is larger than the sum of its proper divisors (18418474).

31311314 is a wasteful number, since it uses less digits than its factorization.

31311314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920940.

The product of its digits is 108, while the sum is 17.

The square root of 31311314 is about 5595.6513472517. The cubic root of 31311314 is about 315.1861300230.

Adding to 31311314 its reverse (41311313), we get a palindrome (72622627).

Subtracting 31311314 from its reverse (41311313), we obtain a palindrome (9999999).

The spelling of 31311314 in words is "thirty-one million, three hundred eleven thousand, three hundred fourteen".