31244347448 has 16 divisors (see below), whose sum is σ = 59457527880. Its totient is φ = 15389006688.

The previous prime is 31244347427. The next prime is 31244347513. The reversal of 31244347448 is 84474344213.

It is a super-2 number, since 2×31244347448² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31244347399 and 31244347408.

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 3 ways as a sum of consecutive naturals, for example, 29145311 + ... + 29146382.

Almost surely, 2^31244347448 is an apocalyptic number.

It is an amenable number.

31244347448 is a deficient number, since it is larger than the sum of its proper divisors (28213180432).

31244347448 is a wasteful number, since it uses less digits than its factorization.

31244347448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58291766 (or 58291762 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 44.

The spelling of 31244347448 in words is "thirty-one billion, two hundred forty-four million, three hundred forty-seven thousand, four hundred forty-eight".