31664136253 has 8 divisors (see below), whose sum is σ = 33336211520. Its totient is φ = 29992615200.

The previous prime is 31664136227. The next prime is 31664136293. The reversal of 31664136253 is 35263146613.

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 31664136253 - 2⁵ = 31664136221 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 (31664136293) 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, 18600 + ... + 252337.

It is an arithmetic number, because the mean of its divisors is an integer number (4167026440).

Almost surely, 2^31664136253 is an apocalyptic number.

It is an amenable number.

31664136253 is a deficient number, since it is larger than the sum of its proper divisors (1672075267).

31664136253 is a wasteful number, since it uses less digits than its factorization.

31664136253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277107.

The product of its digits is 233280, while the sum is 40.

The spelling of 31664136253 in words is "thirty-one billion, six hundred sixty-four million, one hundred thirty-six thousand, two hundred fifty-three".