31443444434413 has 16 divisors (see below), whose sum is σ = 36133450712640. Its totient is φ = 27060868886400.

The previous prime is 31443444434377. The next prime is 31443444434459.

31443444434413 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31443444434413 - 2²⁵ = 31443410879981 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 (31443444474413) 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, 54181720 + ... + 54758977.

It is an arithmetic number, because the mean of its divisors is an integer number (2258340669540).

Almost surely, 2^{31443444434413} is an apocalyptic number.

It is an amenable number.

31443444434413 is a deficient number, since it is larger than the sum of its proper divisors (4690006278227).

31443444434413 is a wasteful number, since it uses less digits than its factorization.

31443444434413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108942108.

The product of its digits is 5308416, while the sum is 46.

It can be divided in two parts, 3144344 and 4434413, that added together give a palindrome (7578757).

The spelling of 31443444434413 in words is "thirty-one trillion, four hundred forty-three billion, four hundred forty-four million, four hundred thirty-four thousand, four hundred thirteen".