31215324051103 has 8 divisors (see below), whose sum is σ = 31234409791200. Its totient is φ = 31196243135328.

The previous prime is 31215324051077. The next prime is 31215324051127. The reversal of 31215324051103 is 30115042351213.

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

It is a cyclic number.

It is not a de Polignac number, because 31215324051103 - 2⁵ = 31215324051071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31215324651103) 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, 11781393 + ... + 14185621.

It is an arithmetic number, because the mean of its divisors is an integer number (3904301223900).

Almost surely, 2^{31215324051103} is an apocalyptic number.

31215324051103 is a deficient number, since it is larger than the sum of its proper divisors (19085740097).

31215324051103 is a wasteful number, since it uses less digits than its factorization.

31215324051103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412161.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 31215324051103 in words is "thirty-one trillion, two hundred fifteen billion, three hundred twenty-four million, fifty-one thousand, one hundred three".