42931010 has 8 divisors (see below), whose sum is σ = 77275836. Its totient is φ = 17172400.

The previous prime is 42930971. The next prime is 42931027. The reversal of 42931010 is 1013924.

It can be written as a sum of positive squares in 2 ways, for example, as 41615401 + 1315609 = 6451^2 + 1147^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146541 + ... + 2146560.

Almost surely, 2^42931010 is an apocalyptic number.

42931010 is a deficient number, since it is larger than the sum of its proper divisors (34344826).

42931010 is a wasteful number, since it uses less digits than its factorization.

42931010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293108.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 42931010 is about 6552.1759744378. The cubic root of 42931010 is about 350.1523418450.

Adding to 42931010 its reverse (1013924), we get a palindrome (43944934).

The spelling of 42931010 in words is "forty-two million, nine hundred thirty-one thousand, ten".