31114313 has 4 divisors (see below), whose sum is σ = 31125780. Its totient is φ = 31102848.

The previous prime is 31114309. The next prime is 31114319. The reversal of 31114313 is 31341113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 11648569 = 4412^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 31114313 - 2² = 31114309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31114291 and 31114300.

It is not an unprimeable number, because it can be changed into a prime (31114319) 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, 881 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (7781445).

Almost surely, 2^31114313 is an apocalyptic number.

It is an amenable number.

31114313 is a deficient number, since it is larger than the sum of its proper divisors (11467).

31114313 is an equidigital number, since it uses as much as digits as its factorization.

31114313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466.

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

The square root of 31114313 is about 5578.0205270329. The cubic root of 31114313 is about 314.5237213166.

Adding to 31114313 its reverse (31341113), we get a palindrome (62455426).

The spelling of 31114313 in words is "thirty-one million, one hundred fourteen thousand, three hundred thirteen".