3213311244 has 144 divisors (see below), whose sum is σ = 9164171520. Its totient is φ = 867659520.

The previous prime is 3213311239. The next prime is 3213311249. The reversal of 3213311244 is 4421133123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3213311239) and next prime (3213311249).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3213311249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 644449 + ... + 649415.

It is an arithmetic number, because the mean of its divisors is an integer number (63640080).

Almost surely, 2^3213311244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213311244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4582085760).

3213311244 is an abundant number, since it is smaller than the sum of its proper divisors (5950860276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213311244 is a wasteful number, since it uses less digits than its factorization.

3213311244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040 (or 5025 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 3213311244 is about 56686.0762798061. The cubic root of 3213311244 is about 1475.6530662038.

Adding to 3213311244 its reverse (4421133123), we get a palindrome (7634444367).

The spelling of 3213311244 in words is "three billion, two hundred thirteen million, three hundred eleven thousand, two hundred forty-four".