31423730485 has 8 divisors (see below), whose sum is σ = 43095401856. Its totient is φ = 21547700880.

The previous prime is 31423730483. The next prime is 31423730489. The reversal of 31423730485 is 58403732413.

31423730485 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31423730485 - 2¹ = 31423730483 is a prime.

It is a Duffinian number.

31423730485 is strictly pandigital in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423730483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448910401 + ... + 448910470.

It is an arithmetic number, because the mean of its divisors is an integer number (5386925232).

Almost surely, 2^31423730485 is an apocalyptic number.

31423730485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31423730485 is a deficient number, since it is larger than the sum of its proper divisors (11671671371).

31423730485 is an equidigital number, since it uses as much as digits as its factorization.

31423730485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897820883.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 31423730485 in words is "thirty-one billion, four hundred twenty-three million, seven hundred thirty thousand, four hundred eighty-five".