42313012 has 12 divisors (see below), whose sum is σ = 84626080. Its totient is φ = 18134136.

The previous prime is 42312961. The next prime is 42313013. The reversal of 42313012 is 21031324.

It is a happy number.

42313012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42313013) by changing a digit.

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, 755562 + ... + 755617.

Almost surely, 2^42313012 is an apocalyptic number.

It is an amenable number.

42313012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42313012 is a wasteful number, since it uses less digits than its factorization.

42313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511190 (or 1511188 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42313012 is about 6504.8452710268. The cubic root of 42313012 is about 348.4640504090.

Adding to 42313012 its reverse (21031324), we get a palindrome (63344336).

The spelling of 42313012 in words is "forty-two million, three hundred thirteen thousand, twelve".