31314373 has 2 divisors, whose sum is σ = 31314374. Its totient is φ = 31314372.

The previous prime is 31314331. The next prime is 31314397. The reversal of 31314373 is 37341313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 5579044 = 5073^2 + 2362^2 .

It is an emirp because it is prime and its reverse (37341313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31314373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31314313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15657186 + 15657187.

It is an arithmetic number, because the mean of its divisors is an integer number (15657187).

Almost surely, 2^31314373 is an apocalyptic number.

It is an amenable number.

31314373 is a deficient number, since it is larger than the sum of its proper divisors (1).

31314373 is an equidigital number, since it uses as much as digits as its factorization.

31314373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 25.

The square root of 31314373 is about 5595.9246778348. The cubic root of 31314373 is about 315.1963938633.

Adding to 31314373 its reverse (37341313), we get a palindrome (68655686).

The spelling of 31314373 in words is "thirty-one million, three hundred fourteen thousand, three hundred seventy-three".