3111402142 has 8 divisors (see below), whose sum is σ = 4870020816. Its totient is φ = 1488061872.

The previous prime is 3111402121. The next prime is 3111402143. The reversal of 3111402142 is 2412041113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111402143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33819543 + ... + 33819634.

It is an arithmetic number, because the mean of its divisors is an integer number (608752602).

Almost surely, 2^3111402142 is an apocalyptic number.

3111402142 is a deficient number, since it is larger than the sum of its proper divisors (1758618674).

3111402142 is a wasteful number, since it uses less digits than its factorization.

3111402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67639202.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 3111402142 is about 55779.9439045971. The cubic root of 3111402142 is about 1459.8852324248.

Adding to 3111402142 its reverse (2412041113), we get a palindrome (5523443255).

The spelling of 3111402142 in words is "three billion, one hundred eleven million, four hundred two thousand, one hundred forty-two".