31214441213 has 16 divisors (see below), whose sum is σ = 33490264320. Its totient is φ = 29002349376.

The previous prime is 31214441117. The next prime is 31214441231.

31214441213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31214441213 - 2¹⁸ = 31214179069 is a prime.

It is a super-2 number, since 2×31214441213² (a number of 22 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 (31214441243) 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, 3748931 + ... + 3757247.

It is an arithmetic number, because the mean of its divisors is an integer number (2093141520).

Almost surely, 2^31214441213 is an apocalyptic number.

It is an amenable number.

31214441213 is a deficient number, since it is larger than the sum of its proper divisors (2275823107).

31214441213 is a wasteful number, since it uses less digits than its factorization.

31214441213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12116.

The product of its digits is 2304, while the sum is 26.

The spelling of 31214441213 in words is "thirty-one billion, two hundred fourteen million, four hundred forty-one thousand, two hundred thirteen".