31214323 has 12 divisors (see below), whose sum is σ = 36455832. Its totient is φ = 26648160.

The previous prime is 31214317. The next prime is 31214327. The reversal of 31214323 is 32341213.

It is not a de Polignac number, because 31214323 - 2⁵ = 31214291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31214323.

It is not an unprimeable number, because it can be changed into a prime (31214327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12636 + ... + 14902.

It is an arithmetic number, because the mean of its divisors is an integer number (3037986).

Almost surely, 2^31214323 is an apocalyptic number.

31214323 is a deficient number, since it is larger than the sum of its proper divisors (5241509).

31214323 is a wasteful number, since it uses less digits than its factorization.

31214323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2555 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 31214323 is about 5586.9779845637. The cubic root of 31214323 is about 314.8603496199.

Adding to 31214323 its reverse (32341213), we get a palindrome (63555536).

The spelling of 31214323 in words is "thirty-one million, two hundred fourteen thousand, three hundred twenty-three".