31211322311213 has 8 divisors (see below), whose sum is σ = 35529094172736. Its totient is φ = 27140280270400.

The previous prime is 31211322311207. The next prime is 31211322311333.

31211322311213 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31211322311213 - 2¹⁴ = 31211322294829 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 (31211322311203) 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 7 ways as a sum of consecutive naturals, for example, 61682454908 + ... + 61682455413.

It is an arithmetic number, because the mean of its divisors is an integer number (4441136771592).

Almost surely, 2^{31211322311213} is an apocalyptic number.

It is an amenable number.

31211322311213 is a deficient number, since it is larger than the sum of its proper divisors (4317771861523).

31211322311213 is a wasteful number, since it uses less digits than its factorization.

31211322311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123364910355.

The product of its digits is 1296, while the sum is 26.

It can be divided in two parts, 3121132 and 2311213, that added together give a palindrome (5432345).

The spelling of 31211322311213 in words is "thirty-one trillion, two hundred eleven billion, three hundred twenty-two million, three hundred eleven thousand, two hundred thirteen".