31636220413423 has 16 divisors (see below), whose sum is σ = 32985829800000. Its totient is φ = 30304737695232.

The previous prime is 31636220413417. The next prime is 31636220413451. The reversal of 31636220413423 is 32431402263613.

It is not a de Polignac number, because 31636220413423 - 2⁴¹ = 29437197157871 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 (31636220413493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5839690 + ... + 9867847.

It is an arithmetic number, because the mean of its divisors is an integer number (2061614362500).

Almost surely, 2^{31636220413423} is an apocalyptic number.

31636220413423 is a deficient number, since it is larger than the sum of its proper divisors (1349609386577).

31636220413423 is a wasteful number, since it uses less digits than its factorization.

31636220413423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15708114.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 31636220413423 in words is "thirty-one trillion, six hundred thirty-six billion, two hundred twenty million, four hundred thirteen thousand, four hundred twenty-three".