31703450745 has 8 divisors (see below), whose sum is σ = 50725521216. Its totient is φ = 16908507056.

The previous prime is 31703450659. The next prime is 31703450783. The reversal of 31703450745 is 54705430713.

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 31703450745 - 2¹⁰ = 31703449721 is a prime.

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, 1056781677 + ... + 1056781706.

It is an arithmetic number, because the mean of its divisors is an integer number (6340690152).

Almost surely, 2^31703450745 is an apocalyptic number.

It is an amenable number.

31703450745 is a deficient number, since it is larger than the sum of its proper divisors (19022070471).

31703450745 is a wasteful number, since it uses less digits than its factorization.

31703450745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113563391.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 31703450745 in words is "thirty-one billion, seven hundred three million, four hundred fifty thousand, seven hundred forty-five".