10303243140421 has 64 divisors (see below), whose sum is σ = 13988634992640. Its totient is φ = 7346963520000.

The previous prime is 10303243140349. The next prime is 10303243140457. The reversal of 10303243140421 is 12404134230301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10303243140421 - 2²⁷ = 10303108922693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10303243140421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303243120421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5207940 + ... + 6908626.

It is an arithmetic number, because the mean of its divisors is an integer number (218572421760).

Almost surely, 2^{10303243140421} is an apocalyptic number.

10303243140421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10303243140421 is a deficient number, since it is larger than the sum of its proper divisors (3685391852219).

10303243140421 is a wasteful number, since it uses less digits than its factorization.

10303243140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700866.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10303243140421 its reverse (12404134230301), we get a palindrome (22707377370722).

The spelling of 10303243140421 in words is "ten trillion, three hundred three billion, two hundred forty-three million, one hundred forty thousand, four hundred twenty-one".