10042321003 has 16 divisors (see below), whose sum is σ = 11843921376. Its totient is φ = 8394301440.

The previous prime is 10042320983. The next prime is 10042321013. The reversal of 10042321003 is 30012324001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10042321003 - 2²⁵ = 10008766571 is a prime.

It is a super-2 number, since 2×10042321003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10042321013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99876 + ... + 173377.

It is an arithmetic number, because the mean of its divisors is an integer number (740245086).

Almost surely, 2^10042321003 is an apocalyptic number.

10042321003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10042321003 is a deficient number, since it is larger than the sum of its proper divisors (1801600373).

10042321003 is a wasteful number, since it uses less digits than its factorization.

10042321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273534.

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

Adding to 10042321003 its reverse (30012324001), we get a palindrome (40054645004).

The spelling of 10042321003 in words is "ten billion, forty-two million, three hundred twenty-one thousand, three".