31314048323 has 4 divisors (see below), whose sum is σ = 31601333280. Its totient is φ = 31026763368.

The previous prime is 31314048319. The next prime is 31314048341. The reversal of 31314048323 is 32384041313.

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 31314048323 - 2² = 31314048319 is a prime.

It is a super-2 number, since 2×31314048323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31314048323.

It is not an unprimeable number, because it can be changed into a prime (31314041323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143642315 + ... + 143642532.

It is an arithmetic number, because the mean of its divisors is an integer number (7900333320).

Almost surely, 2^31314048323 is an apocalyptic number.

31314048323 is a deficient number, since it is larger than the sum of its proper divisors (287284957).

31314048323 is a wasteful number, since it uses less digits than its factorization.

31314048323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287284956.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31314048323 its reverse (32384041313), we get a palindrome (63698089636).

The spelling of 31314048323 in words is "thirty-one billion, three hundred fourteen million, forty-eight thousand, three hundred twenty-three".