31413324213 has 6 divisors (see below), whose sum is σ = 45374801654. Its totient is φ = 20942216136.

The previous prime is 31413324197. The next prime is 31413324223. The reversal of 31413324213 is 31242331413.

It is a happy number.

31413324213 is a `hidden beast` number, since 3 + 1 + 413 + 3 + 242 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29591912529 + 1821411684 = 172023^2 + 42678^2 .

It is not a de Polignac number, because 31413324213 - 2⁴ = 31413324197 is a prime.

It is a super-2 number, since 2×31413324213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413324223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745184670 + ... + 1745184687.

Almost surely, 2^31413324213 is an apocalyptic number.

It is an amenable number.

31413324213 is a deficient number, since it is larger than the sum of its proper divisors (13961477441).

31413324213 is a wasteful number, since it uses less digits than its factorization.

31413324213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490369363 (or 3490369360 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31413324213 its reverse (31242331413), we get a palindrome (62655655626).

The spelling of 31413324213 in words is "thirty-one billion, four hundred thirteen million, three hundred twenty-four thousand, two hundred thirteen".