30420341431 has 2 divisors, whose sum is σ = 30420341432. Its totient is φ = 30420341430.

The previous prime is 30420341417. The next prime is 30420341437. The reversal of 30420341431 is 13414302403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30420341431 - 2⁹ = 30420340919 is a prime.

It is a super-2 number, since 2×30420341431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30420341396 and 30420341405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30420341437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210170715 + 15210170716.

It is an arithmetic number, because the mean of its divisors is an integer number (15210170716).

Almost surely, 2^30420341431 is an apocalyptic number.

30420341431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420341431 is an equidigital number, since it uses as much as digits as its factorization.

30420341431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30420341431 its reverse (13414302403), we get a palindrome (43834643834).

The spelling of 30420341431 in words is "thirty billion, four hundred twenty million, three hundred forty-one thousand, four hundred thirty-one".