3156120342 has 32 divisors (see below), whose sum is σ = 7025499360. Its totient is φ = 1050255360.

The previous prime is 3156120311. The next prime is 3156120353. The reversal of 3156120342 is 2430216513.

3156120342 is a `hidden beast` number, since 3 + 1 + 5 + 612 + 0 + 3 + 42 = 666.

3156120342 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3156120342² = 19922191226372393928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17259 + ... + 81302.

It is an arithmetic number, because the mean of its divisors is an integer number (219546855).

Almost surely, 2^3156120342 is an apocalyptic number.

3156120342 is an abundant number, since it is smaller than the sum of its proper divisors (3869379018).

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

3156120342 is a wasteful number, since it uses less digits than its factorization.

3156120342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99165 (or 99159 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3156120342 is about 56179.3586827048. The cubic root of 3156120342 is about 1466.8459906656.

Adding to 3156120342 its reverse (2430216513), we get a palindrome (5586336855).

The spelling of 3156120342 in words is "three billion, one hundred fifty-six million, one hundred twenty thousand, three hundred forty-two".