30671634109 has 2 divisors, whose sum is σ = 30671634110. Its totient is φ = 30671634108.

The previous prime is 30671634101. The next prime is 30671634113. The reversal of 30671634109 is 90143617603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27512856900 + 3158777209 = 165870^2 + 56203^2 .

It is a cyclic number.

It is not a de Polignac number, because 30671634109 - 2³ = 30671634101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30671634101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15335817054 + 15335817055.

It is an arithmetic number, because the mean of its divisors is an integer number (15335817055).

Almost surely, 2^30671634109 is an apocalyptic number.

It is an amenable number.

30671634109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30671634109 is an equidigital number, since it uses as much as digits as its factorization.

30671634109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 30671634109 in words is "thirty billion, six hundred seventy-one million, six hundred thirty-four thousand, one hundred nine".