31836063813 has 16 divisors (see below), whose sum is σ = 42554007552. Its totient is φ = 21171150000.

The previous prime is 31836063793. The next prime is 31836063817.

31836063813 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31836063813 - 2¹⁷ = 31835932741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31836063817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2044728 + ... + 2060238.

It is an arithmetic number, because the mean of its divisors is an integer number (2659625472).

Almost surely, 2^31836063813 is an apocalyptic number.

It is an amenable number.

31836063813 is a deficient number, since it is larger than the sum of its proper divisors (10717943739).

31836063813 is a wasteful number, since it uses less digits than its factorization.

31836063813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17176.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 31836063813 in words is "thirty-one billion, eight hundred thirty-six million, sixty-three thousand, eight hundred thirteen".