3140531442 has 36 divisors (see below), whose sum is σ = 6918009930. Its totient is φ = 1029660480.

The previous prime is 3140531417. The next prime is 3140531447. The reversal of 3140531442 is 2441350413.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 924099201 + 2216432241 = 30399^2 + 47079^2 .

It is not an unprimeable number, because it can be changed into a prime (3140531447) 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 in 17 ways as a sum of consecutive naturals, for example, 43534 + ... + 90422.

Almost surely, 2^3140531442 is an apocalyptic number.

3140531442 is an abundant number, since it is smaller than the sum of its proper divisors (3777478488).

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

3140531442 is a wasteful number, since it uses less digits than its factorization.

3140531442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47019 (or 46955 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3140531442 is about 56040.4446984497. Note that the first 3 decimals coincide. The cubic root of 3140531442 is about 1464.4269588036.

Adding to 3140531442 its reverse (2441350413), we get a palindrome (5581881855).

The spelling of 3140531442 in words is "three billion, one hundred forty million, five hundred thirty-one thousand, four hundred forty-two".