31003110313213 has 16 divisors (see below), whose sum is σ = 31398599232000. Its totient is φ = 30610045992240.

The previous prime is 31003110313211. The next prime is 31003110313229. The reversal of 31003110313213 is 31231301130013.

It is a cyclic number.

It is not a de Polignac number, because 31003110313213 - 2¹ = 31003110313211 is a prime.

It is a super-2 number, since 2×31003110313213² (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 (31003110313211) 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, 777331570 + ... + 777371452.

It is an arithmetic number, because the mean of its divisors is an integer number (1962412452000).

Almost surely, 2^{31003110313213} is an apocalyptic number.

It is an amenable number.

31003110313213 is a deficient number, since it is larger than the sum of its proper divisors (395488918787).

31003110313213 is a wasteful number, since it uses less digits than its factorization.

31003110313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70032.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31003110313213 its reverse (31231301130013), we get a palindrome (62234411443226).

The spelling of 31003110313213 in words is "thirty-one trillion, three billion, one hundred ten million, three hundred thirteen thousand, two hundred thirteen".