31608607823 has 8 divisors (see below), whose sum is σ = 34096126848. Its totient is φ = 29129101344.

The previous prime is 31608607817. The next prime is 31608607847. The reversal of 31608607823 is 32870680613.

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 31608607823 - 2¹⁴ = 31608591439 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 (31608607853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994936 + ... + 2010717.

It is an arithmetic number, because the mean of its divisors is an integer number (4262015856).

Almost surely, 2^31608607823 is an apocalyptic number.

31608607823 is a deficient number, since it is larger than the sum of its proper divisors (2487519025).

31608607823 is a wasteful number, since it uses less digits than its factorization.

31608607823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006273.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 31608607823 in words is "thirty-one billion, six hundred eight million, six hundred seven thousand, eight hundred twenty-three".