30421313243131 has 2 divisors, whose sum is σ = 30421313243132. Its totient is φ = 30421313243130.

The previous prime is 30421313243099. The next prime is 30421313243137. The reversal of 30421313243131 is 13134231312403.

It is a strong prime.

It is an emirp because it is prime and its reverse (13134231312403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30421313243131 - 2⁵ = 30421313243099 is a prime.

It is a super-2 number, since 2×30421313243131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30421313243093 and 30421313243102.

It is not a weakly prime, because it can be changed into another prime (30421313243137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210656621565 + 15210656621566.

It is an arithmetic number, because the mean of its divisors is an integer number (15210656621566).

Almost surely, 2^{30421313243131} is an apocalyptic number.

30421313243131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421313243131 is an equidigital number, since it uses as much as digits as its factorization.

30421313243131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 30421313243131 its reverse (13134231312403), we get a palindrome (43555544555534).

The spelling of 30421313243131 in words is "thirty trillion, four hundred twenty-one billion, three hundred thirteen million, two hundred forty-three thousand, one hundred thirty-one".