102013000321 has 4 divisors (see below), whose sum is σ = 102037544532. Its totient is φ = 101988456112.

The previous prime is 102013000289. The next prime is 102013000391. The reversal of 102013000321 is 123000310201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58815950400 + 43197049921 = 242520^2 + 207839^2 .

It is a cyclic number.

It is not a de Polignac number, because 102013000321 - 2⁵ = 102013000289 is a prime.

It is a super-2 number, since 2×102013000321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102013000391) 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 3 ways as a sum of consecutive naturals, for example, 12265870 + ... + 12274183.

It is an arithmetic number, because the mean of its divisors is an integer number (25509386133).

Almost surely, 2^102013000321 is an apocalyptic number.

It is an amenable number.

102013000321 is a deficient number, since it is larger than the sum of its proper divisors (24544211).

102013000321 is an equidigital number, since it uses as much as digits as its factorization.

102013000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24544210.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102013000321 its reverse (123000310201), we get a palindrome (225013310522).

The spelling of 102013000321 in words is "one hundred two billion, thirteen million, three hundred twenty-one", and thus it is an aban number.