3213220331442 has 16 divisors (see below), whose sum is σ = 7010662541472. Its totient is φ = 973703130720.

The previous prime is 3213220331429. The next prime is 3213220331687. The reversal of 3213220331442 is 2441330223123.

It is a happy number.

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, 24342578203 + ... + 24342578334.

It is an arithmetic number, because the mean of its divisors is an integer number (438166408842).

Almost surely, 2^{3213220331442} is an apocalyptic number.

3213220331442 is an abundant number, since it is smaller than the sum of its proper divisors (3797442210030).

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

3213220331442 is a wasteful number, since it uses less digits than its factorization.

3213220331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48685156553.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 3213220331442 its reverse (2441330223123), we get a palindrome (5654550554565).

The spelling of 3213220331442 in words is "three trillion, two hundred thirteen billion, two hundred twenty million, three hundred thirty-one thousand, four hundred forty-two".