31447317332 has 24 divisors (see below), whose sum is σ = 59007634560. Its totient is φ = 14611409280.

The previous prime is 31447317313. The next prime is 31447317359. The reversal of 31447317332 is 23371374413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2921594 + ... + 2932337.

It is an arithmetic number, because the mean of its divisors is an integer number (2458651440).

Almost surely, 2^31447317332 is an apocalyptic number.

It is an amenable number.

31447317332 is a deficient number, since it is larger than the sum of its proper divisors (27560317228).

31447317332 is a wasteful number, since it uses less digits than its factorization.

31447317332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854031 (or 5854029 counting only the distinct ones).

The product of its digits is 127008, while the sum is 38.

The spelling of 31447317332 in words is "thirty-one billion, four hundred forty-seven million, three hundred seventeen thousand, three hundred thirty-two".