10030031421 has 4 divisors (see below), whose sum is σ = 13373375232. Its totient is φ = 6686687612.

The previous prime is 10030031419. The next prime is 10030031423. The reversal of 10030031421 is 12413003001.

10030031421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10030031419) and next prime (10030031423).

It is a cyclic number.

It is not a de Polignac number, because 10030031421 - 2¹ = 10030031419 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10030031421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030031423) 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, 1671671901 + ... + 1671671906.

It is an arithmetic number, because the mean of its divisors is an integer number (3343343808).

Almost surely, 2^10030031421 is an apocalyptic number.

It is an amenable number.

10030031421 is a deficient number, since it is larger than the sum of its proper divisors (3343343811).

10030031421 is an equidigital number, since it uses as much as digits as its factorization.

10030031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343343810.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10030031421 its reverse (12413003001), we get a palindrome (22443034422).

The spelling of 10030031421 in words is "ten billion, thirty million, thirty-one thousand, four hundred twenty-one".