3212331213 has 24 divisors (see below), whose sum is σ = 5300488128. Its totient is φ = 1694414592.

The previous prime is 3212331191. The next prime is 3212331217. The reversal of 3212331213 is 3121332123.

It is not a de Polignac number, because 3212331213 - 2¹⁷ = 3212200141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3212331213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212331217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449020 + ... + 456117.

It is an arithmetic number, because the mean of its divisors is an integer number (220853672).

Almost surely, 2^3212331213 is an apocalyptic number.

It is an amenable number.

3212331213 is a deficient number, since it is larger than the sum of its proper divisors (2088156915).

3212331213 is a wasteful number, since it uses less digits than its factorization.

3212331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905173 (or 905160 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 3212331213 is about 56677.4312491313. The cubic root of 3212331213 is about 1475.5030306497.

Adding to 3212331213 its reverse (3121332123), we get a palindrome (6333663336).

It can be divided in two parts, 32123 and 31213, that added together give a palindrome (63336).

The spelling of 3212331213 in words is "three billion, two hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".