3111205342 has 16 divisors (see below), whose sum is σ = 5338016640. Its totient is φ = 1332243288.

The previous prime is 3111205333. The next prime is 3111205351. The reversal of 3111205342 is 2435021113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3111205333) and next prime (3111205351).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76992 + ... + 110227.

It is an arithmetic number, because the mean of its divisors is an integer number (333626040).

Almost surely, 2^3111205342 is an apocalyptic number.

3111205342 is a deficient number, since it is larger than the sum of its proper divisors (2226811298).

3111205342 is a wasteful number, since it uses less digits than its factorization.

3111205342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188415.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3111205342 is about 55778.1798017827. The cubic root of 3111205342 is about 1459.8544519322.

Adding to 3111205342 its reverse (2435021113), we get a palindrome (5546226455).

The spelling of 3111205342 in words is "three billion, one hundred eleven million, two hundred five thousand, three hundred forty-two".