31282494485 has 32 divisors (see below), whose sum is σ = 41781287808. Its totient is φ = 22291160320.

The previous prime is 31282494473. The next prime is 31282494487. The reversal of 31282494485 is 58449428213.

It is not a de Polignac number, because 31282494485 - 2⁶ = 31282494421 is a prime.

It is a super-2 number, since 2×31282494485² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31282494487) 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 31 ways as a sum of consecutive naturals, for example, 2246354 + ... + 2260236.

It is an arithmetic number, because the mean of its divisors is an integer number (1305665244).

Almost surely, 2^31282494485 is an apocalyptic number.

It is an amenable number.

31282494485 is a deficient number, since it is larger than the sum of its proper divisors (10498793323).

31282494485 is a wasteful number, since it uses less digits than its factorization.

31282494485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14725.

The product of its digits is 2211840, while the sum is 50.

The spelling of 31282494485 in words is "thirty-one billion, two hundred eighty-two million, four hundred ninety-four thousand, four hundred eighty-five".