3213312144 has 40 divisors (see below), whose sum is σ = 9486922560. Its totient is φ = 918089088.

The previous prime is 3213312133. The next prime is 3213312169. The reversal of 3213312144 is 4412133123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4781379 + ... + 4782050.

It is an arithmetic number, because the mean of its divisors is an integer number (237173064).

Almost surely, 2^3213312144 is an apocalyptic number.

It is an amenable number.

3213312144 is an abundant number, since it is smaller than the sum of its proper divisors (6273610416).

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

3213312144 is a wasteful number, since it uses less digits than its factorization.

3213312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563447 (or 9563441 counting only the distinct ones).

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

The square root of 3213312144 is about 56686.0842182630. The cubic root of 3213312144 is about 1475.6532039732.

Adding to 3213312144 its reverse (4412133123), we get a palindrome (7625445267).

The spelling of 3213312144 in words is "three billion, two hundred thirteen million, three hundred twelve thousand, one hundred forty-four".