30470402951 has 2 divisors, whose sum is σ = 30470402952. Its totient is φ = 30470402950.

The previous prime is 30470402933. The next prime is 30470402953. The reversal of 30470402951 is 15920407403.

It is a strong prime.

It is an emirp because it is prime and its reverse (15920407403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30470402951 is a prime.

Together with 30470402953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30470402953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235201475 + 15235201476.

It is an arithmetic number, because the mean of its divisors is an integer number (15235201476).

Almost surely, 2^30470402951 is an apocalyptic number.

30470402951 is a deficient number, since it is larger than the sum of its proper divisors (1).

30470402951 is an equidigital number, since it uses as much as digits as its factorization.

30470402951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 30470402951 in words is "thirty billion, four hundred seventy million, four hundred two thousand, nine hundred fifty-one".