10304131421 has 2 divisors, whose sum is σ = 10304131422. Its totient is φ = 10304131420.

The previous prime is 10304131417. The next prime is 10304131429. The reversal of 10304131421 is 12413140301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10294334521 + 9796900 = 101461^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 10304131421 - 2² = 10304131417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10304131393 and 10304131402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10304131429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5152065710 + 5152065711.

It is an arithmetic number, because the mean of its divisors is an integer number (5152065711).

Almost surely, 2^10304131421 is an apocalyptic number.

It is an amenable number.

10304131421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10304131421 is an equidigital number, since it uses as much as digits as its factorization.

10304131421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10304131421 its reverse (12413140301), we get a palindrome (22717271722).

The spelling of 10304131421 in words is "ten billion, three hundred four million, one hundred thirty-one thousand, four hundred twenty-one".