31140225244 has 12 divisors (see below), whose sum is σ = 55241906944. Its totient is φ = 15356823264.

The previous prime is 31140225223. The next prime is 31140225253. The reversal of 31140225244 is 44252204113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53322012 + ... + 53322595.

Almost surely, 2^31140225244 is an apocalyptic number.

It is an amenable number.

31140225244 is a deficient number, since it is larger than the sum of its proper divisors (24101681700).

31140225244 is a wasteful number, since it uses less digits than its factorization.

31140225244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106644684 (or 106644682 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 31140225244 its reverse (44252204113), we get a palindrome (75392429357).

The spelling of 31140225244 in words is "thirty-one billion, one hundred forty million, two hundred twenty-five thousand, two hundred forty-four".