30421242420031 has 2 divisors, whose sum is σ = 30421242420032. Its totient is φ = 30421242420030.

The previous prime is 30421242420001. The next prime is 30421242420047. The reversal of 30421242420031 is 13002424212403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30421242420031 - 2²³ = 30421234031423 is a prime.

It is a super-2 number, since 2×30421242420031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30421242420001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210621210015 + 15210621210016.

It is an arithmetic number, because the mean of its divisors is an integer number (15210621210016).

Almost surely, 2^{30421242420031} is an apocalyptic number.

30421242420031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421242420031 is an equidigital number, since it uses as much as digits as its factorization.

30421242420031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30421242420031 its reverse (13002424212403), we get a palindrome (43423666632434).

The spelling of 30421242420031 in words is "thirty trillion, four hundred twenty-one billion, two hundred forty-two million, four hundred twenty thousand, thirty-one".