31624344342613 has 16 divisors (see below), whose sum is σ = 36524950113600. Its totient is φ = 27078842263680.

The previous prime is 31624344342601. The next prime is 31624344342623.

31624344342613 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31624344342613 - 2¹³ = 31624344334421 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 (31624344342623) 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, 437283648 + ... + 437355961.

It is an arithmetic number, because the mean of its divisors is an integer number (2282809382100).

Almost surely, 2^{31624344342613} is an apocalyptic number.

It is an amenable number.

31624344342613 is a deficient number, since it is larger than the sum of its proper divisors (4900605770987).

31624344342613 is a wasteful number, since it uses less digits than its factorization.

31624344342613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874639812.

The product of its digits is 2985984, while the sum is 46.

The spelling of 31624344342613 in words is "thirty-one trillion, six hundred twenty-four billion, three hundred forty-four million, three hundred forty-two thousand, six hundred thirteen".