30421446151 has 2 divisors, whose sum is σ = 30421446152. Its totient is φ = 30421446150.

The previous prime is 30421446149. The next prime is 30421446173. The reversal of 30421446151 is 15164412403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30421446151 - 2¹ = 30421446149 is a prime.

Together with 30421446149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30421446851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210723075 + 15210723076.

It is an arithmetic number, because the mean of its divisors is an integer number (15210723076).

Almost surely, 2^30421446151 is an apocalyptic number.

30421446151 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421446151 is an equidigital number, since it uses as much as digits as its factorization.

30421446151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 30421446151 its reverse (15164412403), we get a palindrome (45585858554).

The spelling of 30421446151 in words is "thirty billion, four hundred twenty-one million, four hundred forty-six thousand, one hundred fifty-one".