31448884413 has 16 divisors (see below), whose sum is σ = 43374981440. Its totient is φ = 20252509056.

The previous prime is 31448884403. The next prime is 31448884429.

31448884413 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-31448884413 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 (31448884403) 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 15 ways as a sum of consecutive naturals, for example, 1003720 + ... + 1034577.

It is an arithmetic number, because the mean of its divisors is an integer number (2710936340).

Almost surely, 2^31448884413 is an apocalyptic number.

It is an amenable number.

31448884413 is a deficient number, since it is larger than the sum of its proper divisors (11926097027).

31448884413 is a wasteful number, since it uses less digits than its factorization.

31448884413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038476.

The product of its digits is 1179648, while the sum is 48.

The spelling of 31448884413 in words is "thirty-one billion, four hundred forty-eight million, eight hundred eighty-four thousand, four hundred thirteen".