31343243222115 has 24 divisors (see below), whose sum is σ = 59267223548208. Its totient is φ = 15196723986240.

The previous prime is 31343243222009. The next prime is 31343243222167. The reversal of 31343243222115 is 51122234234313.

31343243222115 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 3 + 2 + 432 + 2 + 211 + 5 = 666.

It is not a de Polignac number, because 31343243222115 - 2¹⁰ = 31343243221091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31343243222115.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31659841144 + ... + 31659842133.

It is an arithmetic number, because the mean of its divisors is an integer number (2469467647842).

Almost surely, 2^{31343243222115} is an apocalyptic number.

31343243222115 is a deficient number, since it is larger than the sum of its proper divisors (27923980326093).

31343243222115 is a wasteful number, since it uses less digits than its factorization.

31343243222115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63319683299 (or 63319683296 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 31343243222115 its reverse (51122234234313), we get a palindrome (82465477456428).

The spelling of 31343243222115 in words is "thirty-one trillion, three hundred forty-three billion, two hundred forty-three million, two hundred twenty-two thousand, one hundred fifteen".