31264323 has 4 divisors (see below), whose sum is σ = 41685768. Its totient is φ = 20842880.

The previous prime is 31264313. The next prime is 31264339. The reversal of 31264323 is 32346213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31264323 - 2¹³ = 31256131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31264293 and 31264302.

It is not an unprimeable number, because it can be changed into a prime (31264313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210718 + ... + 5210723.

It is an arithmetic number, because the mean of its divisors is an integer number (10421442).

Almost surely, 2^31264323 is an apocalyptic number.

31264323 is a deficient number, since it is larger than the sum of its proper divisors (10421445).

31264323 is a wasteful number, since it uses less digits than its factorization.

31264323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421444.

The product of its digits is 2592, while the sum is 24.

The square root of 31264323 is about 5591.4508850566. The cubic root of 31264323 is about 315.0283773881.

The spelling of 31264323 in words is "thirty-one million, two hundred sixty-four thousand, three hundred twenty-three".