31113430323 has 8 divisors (see below), whose sum is σ = 41486784768. Its totient is φ = 20741181384.

The previous prime is 31113430289. The next prime is 31113430339. The reversal of 31113430323 is 32303431113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31113430323 - 2¹⁷ = 31113299251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31113430293 and 31113430302.

It is not an unprimeable number, because it can be changed into a prime (31113430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208311 + ... + 324992.

It is an arithmetic number, because the mean of its divisors is an integer number (5185848096).

Almost surely, 2^31113430323 is an apocalyptic number.

31113430323 is a deficient number, since it is larger than the sum of its proper divisors (10373354445).

31113430323 is a wasteful number, since it uses less digits than its factorization.

31113430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552753.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31113430323 its reverse (32303431113), we get a palindrome (63416861436).

The spelling of 31113430323 in words is "thirty-one billion, one hundred thirteen million, four hundred thirty thousand, three hundred twenty-three".