31172427113 has 8 divisors (see below), whose sum is σ = 31551256128. Its totient is φ = 30793675824.

The previous prime is 31172427103. The next prime is 31172427151.

31172427113 is nontrivially palindromic in base 10.

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 31172427113 - 2⁶ = 31172427049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31172427113.

It is not an unprimeable number, because it can be changed into a prime (31172427103) 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, 1546820 + ... + 1566842.

It is an arithmetic number, because the mean of its divisors is an integer number (3943907016).

Almost surely, 2^31172427113 is an apocalyptic number.

It is an amenable number.

31172427113 is a deficient number, since it is larger than the sum of its proper divisors (378829015).

31172427113 is a wasteful number, since it uses less digits than its factorization.

31172427113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38863.

The product of its digits is 7056, while the sum is 32.

The spelling of 31172427113 in words is "thirty-one billion, one hundred seventy-two million, four hundred twenty-seven thousand, one hundred thirteen".