31748270263 has 6 divisors (see below), whose sum is σ = 31981719896. Its totient is φ = 31516512432.

The previous prime is 31748270261. The next prime is 31748270297. The reversal of 31748270263 is 36207284713.

It is not a de Polignac number, because 31748270263 - 2¹ = 31748270261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31748270261) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 826995 + ... + 864532.

Almost surely, 2^31748270263 is an apocalyptic number.

31748270263 is a deficient number, since it is larger than the sum of its proper divisors (233449633).

31748270263 is an equidigital number, since it uses as much as digits as its factorization.

31748270263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691801 (or 1691664 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 31748270263 in words is "thirty-one billion, seven hundred forty-eight million, two hundred seventy thousand, two hundred sixty-three".