213211004331 has 8 divisors (see below), whose sum is σ = 306149134480. Its totient is φ = 131206771872.

The previous prime is 213211004329. The next prime is 213211004339. The reversal of 213211004331 is 133400112312.

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

It is not a de Polignac number, because 213211004331 - 2¹ = 213211004329 is a prime.

It is a super-2 number, since 2×213211004331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213211004298 and 213211004307.

It is not an unprimeable number, because it can be changed into a prime (213211004339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733474376 + ... + 2733474453.

It is an arithmetic number, because the mean of its divisors is an integer number (38268641810).

Almost surely, 2^213211004331 is an apocalyptic number.

213211004331 is a deficient number, since it is larger than the sum of its proper divisors (92938130149).

213211004331 is a wasteful number, since it uses less digits than its factorization.

213211004331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466948845.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213211004331 its reverse (133400112312), we get a palindrome (346611116643).

The spelling of 213211004331 in words is "two hundred thirteen billion, two hundred eleven million, four thousand, three hundred thirty-one".