31130226196 has 24 divisors (see below), whose sum is σ = 54657809640. Its totient is φ = 15513772032.

The previous prime is 31130226181. The next prime is 31130226217. The reversal of 31130226196 is 69162203113.

It can be written as a sum of positive squares in 4 ways, for example, as 1442936196 + 29687290000 = 37986^2 + 172300^2 .

It is a congruent number.

It is an unprimeable number.

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, 2230536 + ... + 2244448.

It is an arithmetic number, because the mean of its divisors is an integer number (2277408735).

Almost surely, 2^31130226196 is an apocalyptic number.

It is an amenable number.

31130226196 is a deficient number, since it is larger than the sum of its proper divisors (23527583444).

31130226196 is a wasteful number, since it uses less digits than its factorization.

31130226196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723 (or 15721 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 31130226196 in words is "thirty-one billion, one hundred thirty million, two hundred twenty-six thousand, one hundred ninety-six".