3140351042 has 4 divisors (see below), whose sum is σ = 4710526566. Its totient is φ = 1570175520.

The previous prime is 3140351033. The next prime is 3140351047. The reversal of 3140351042 is 2401530413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2414641321 + 725709721 = 49139^2 + 26939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3140350999 and 3140351017.

It is not an unprimeable number, because it can be changed into a prime (3140351047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785087759 + ... + 785087762.

Almost surely, 2^3140351042 is an apocalyptic number.

3140351042 is a deficient number, since it is larger than the sum of its proper divisors (1570175524).

3140351042 is a wasteful number, since it uses less digits than its factorization.

3140351042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570175523.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3140351042 is about 56038.8351235106. The cubic root of 3140351042 is about 1464.3989181480.

Adding to 3140351042 its reverse (2401530413), we get a palindrome (5541881455).

The spelling of 3140351042 in words is "three billion, one hundred forty million, three hundred fifty-one thousand, forty-two".