31117724223 has 8 divisors (see below), whose sum is σ = 41651740848. Its totient is φ = 20664428544.

The previous prime is 31117724207. The next prime is 31117724251. The reversal of 31117724223 is 32242771113.

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

It is not a de Polignac number, because 31117724223 - 2⁴ = 31117724207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31117726223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20179336 + ... + 20180877.

It is an arithmetic number, because the mean of its divisors is an integer number (5206467606).

Almost surely, 2^31117724223 is an apocalyptic number.

31117724223 is a deficient number, since it is larger than the sum of its proper divisors (10534016625).

31117724223 is a wasteful number, since it uses less digits than its factorization.

31117724223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40360473.

The product of its digits is 14112, while the sum is 33.

The spelling of 31117724223 in words is "thirty-one billion, one hundred seventeen million, seven hundred twenty-four thousand, two hundred twenty-three".