31013544311005 has 16 divisors (see below), whose sum is σ = 38891997391104. Its totient is φ = 23718225666240.

The previous prime is 31013544311003. The next prime is 31013544311023. The reversal of 31013544311005 is 50011344531013.

It is not a de Polignac number, because 31013544311005 - 2¹ = 31013544311003 is a prime.

It is a super-2 number, since 2×31013544311005² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013544311003) 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, 1534554186 + ... + 1534574395.

It is an arithmetic number, because the mean of its divisors is an integer number (2430749836944).

Almost surely, 2^{31013544311005} is an apocalyptic number.

It is an amenable number.

31013544311005 is a deficient number, since it is larger than the sum of its proper divisors (7878453080099).

31013544311005 is a wasteful number, since it uses less digits than its factorization.

31013544311005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069128676.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 31013544311005 its reverse (50011344531013), we get a palindrome (81024888842018).

The spelling of 31013544311005 in words is "thirty-one trillion, thirteen billion, five hundred forty-four million, three hundred eleven thousand, five".