31699530485 has 8 divisors (see below), whose sum is σ = 43473641856. Its totient is φ = 21736820880.

The previous prime is 31699530481. The next prime is 31699530493. The reversal of 31699530485 is 58403599613.

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

It is not a de Polignac number, because 31699530485 - 2² = 31699530481 is a prime.

It is a super-3 number, since 3×31699530485³ (a number of 32 digits) contains 333 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 (31699530481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452850401 + ... + 452850470.

It is an arithmetic number, because the mean of its divisors is an integer number (5434205232).

Almost surely, 2^31699530485 is an apocalyptic number.

31699530485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31699530485 is a deficient number, since it is larger than the sum of its proper divisors (11774111371).

31699530485 is an equidigital number, since it uses as much as digits as its factorization.

31699530485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905700883.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 31699530485 in words is "thirty-one billion, six hundred ninety-nine million, five hundred thirty thousand, four hundred eighty-five".