31283838213 has 8 divisors (see below), whose sum is σ = 42599269248. Its totient is φ = 20412149664.

The previous prime is 31283838199. The next prime is 31283838259.

31283838213 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 31283838213 - 2⁶ = 31283838149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31283833213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110935456 + ... + 110935737.

It is an arithmetic number, because the mean of its divisors is an integer number (5324908656).

Almost surely, 2^31283838213 is an apocalyptic number.

It is an amenable number.

31283838213 is a deficient number, since it is larger than the sum of its proper divisors (11315431035).

31283838213 is a wasteful number, since it uses less digits than its factorization.

31283838213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221871243.

The product of its digits is 165888, while the sum is 42.

The spelling of 31283838213 in words is "thirty-one billion, two hundred eighty-three million, eight hundred thirty-eight thousand, two hundred thirteen".