42021313000 has 32 divisors (see below), whose sum is σ = 98329874760. Its totient is φ = 16808524800.

The previous prime is 42021312989. The next prime is 42021313003. The reversal of 42021313000 is 31312024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11430603396 + 30590709604 = 106914^2 + 174902^2 .

It is not an unprimeable number, because it can be changed into a prime (42021313003) 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 7 ways as a sum of consecutive naturals, for example, 21009657 + ... + 21011656.

Almost surely, 2^42021313000 is an apocalyptic number.

42021313000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42021313000 is an abundant number, since it is smaller than the sum of its proper divisors (56308561760).

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

42021313000 is a wasteful number, since it uses less digits than its factorization.

42021313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42021334 (or 42021320 counting only the distinct ones).

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

Adding to 42021313000 its reverse (31312024), we get a palindrome (42052625024).

The spelling of 42021313000 in words is "forty-two billion, twenty-one million, three hundred thirteen thousand".