31130538105 has 8 divisors (see below), whose sum is σ = 49808860992. Its totient is φ = 16602953648.

The previous prime is 31130538083. The next prime is 31130538119. The reversal of 31130538105 is 50183503113.

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 31130538105 - 2⁸ = 31130537849 is a prime.

It is a super-2 number, since 2×31130538105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037684589 + ... + 1037684618.

It is an arithmetic number, because the mean of its divisors is an integer number (6226107624).

Almost surely, 2^31130538105 is an apocalyptic number.

It is an amenable number.

31130538105 is a deficient number, since it is larger than the sum of its proper divisors (18678322887).

31130538105 is a wasteful number, since it uses less digits than its factorization.

31130538105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075369215.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 31130538105 in words is "thirty-one billion, one hundred thirty million, five hundred thirty-eight thousand, one hundred five".