31673890253 has 8 divisors (see below), whose sum is σ = 31891272000. Its totient is φ = 31457058048.

The previous prime is 31673890189. The next prime is 31673890279. The reversal of 31673890253 is 35209837613.

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 31673890253 - 2⁶ = 31673890189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31673890198 and 31673890207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31673890553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21383 + ... + 252596.

It is an arithmetic number, because the mean of its divisors is an integer number (3986409000).

Almost surely, 2^31673890253 is an apocalyptic number.

It is an amenable number.

31673890253 is a deficient number, since it is larger than the sum of its proper divisors (217381747).

31673890253 is a wasteful number, since it uses less digits than its factorization.

31673890253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274771.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 31673890253 in words is "thirty-one billion, six hundred seventy-three million, eight hundred ninety thousand, two hundred fifty-three".