31010311200013 has 16 divisors (see below), whose sum is σ = 31750735829760. Its totient is φ = 30275824930624.

The previous prime is 31010311199947. The next prime is 31010311200017. The reversal of 31010311200013 is 31000211301013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31010311200013 is a prime.

It is a super-3 number, since 3×31010311200013³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31010311200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010311200017) 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, 16500270 + ... + 18283312.

It is an arithmetic number, because the mean of its divisors is an integer number (1984420989360).

Almost surely, 2^{31010311200013} is an apocalyptic number.

It is an amenable number.

31010311200013 is a deficient number, since it is larger than the sum of its proper divisors (740424629747).

31010311200013 is a wasteful number, since it uses less digits than its factorization.

31010311200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784708.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31010311200013 its reverse (31000211301013), we get a palindrome (62010522501026).

The spelling of 31010311200013 in words is "thirty-one trillion, ten billion, three hundred eleven million, two hundred thousand, thirteen".