10303043421 has 16 divisors (see below), whose sum is σ = 15391280448. Its totient is φ = 6075504000.

The previous prime is 10303043419. The next prime is 10303043447. The reversal of 10303043421 is 12434030301.

It is not a de Polignac number, because 10303043421 - 2¹ = 10303043419 is a prime.

It is a super-2 number, since 2×10303043421² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303043221) 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, 4217880 + ... + 4220321.

It is an arithmetic number, because the mean of its divisors is an integer number (961955028).

Almost surely, 2^10303043421 is an apocalyptic number.

10303043421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10303043421 is a deficient number, since it is larger than the sum of its proper divisors (5088237027).

10303043421 is a wasteful number, since it uses less digits than its factorization.

10303043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438252.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10303043421 its reverse (12434030301), we get a palindrome (22737073722).

The spelling of 10303043421 in words is "ten billion, three hundred three million, forty-three thousand, four hundred twenty-one".