103006204312421 has 2 divisors, whose sum is σ = 103006204312422. Its totient is φ = 103006204312420.

The previous prime is 103006204312397. The next prime is 103006204312447. The reversal of 103006204312421 is 124213402600301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52148054692321 + 50858149620100 = 7221361^2 + 7131490^2 .

It is a cyclic number.

It is not a de Polignac number, because 103006204312421 - 2⁴² = 98608157801317 is a prime.

It is a super-2 number, since 2×103006204312421² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103006204312471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51503102156210 + 51503102156211.

It is an arithmetic number, because the mean of its divisors is an integer number (51503102156211).

Almost surely, 2^{103006204312421} is an apocalyptic number.

It is an amenable number.

103006204312421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103006204312421 is an equidigital number, since it uses as much as digits as its factorization.

103006204312421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 103006204312421 its reverse (124213402600301), we get a palindrome (227219606912722).

The spelling of 103006204312421 in words is "one hundred three trillion, six billion, two hundred four million, three hundred twelve thousand, four hundred twenty-one".