3215404342 has 4 divisors (see below), whose sum is σ = 4823106516. Its totient is φ = 1607702170.

The previous prime is 3215404337. The next prime is 3215404349. The reversal of 3215404342 is 2434045123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2434045123 = 197 ⋅12355559.

It is a self number, because there is not a number n which added to its sum of digits gives 3215404342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215404349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803851084 + ... + 803851087.

It is an arithmetic number, because the mean of its divisors is an integer number (1205776629).

Almost surely, 2^3215404342 is an apocalyptic number.

3215404342 is a deficient number, since it is larger than the sum of its proper divisors (1607702174).

3215404342 is a wasteful number, since it uses less digits than its factorization.

3215404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607702173.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3215404342 is about 56704.5354623420. The cubic root of 3215404342 is about 1475.9734020246.

Adding to 3215404342 its reverse (2434045123), we get a palindrome (5649449465).

The spelling of 3215404342 in words is "three billion, two hundred fifteen million, four hundred four thousand, three hundred forty-two".