30232167421 has 2 divisors, whose sum is σ = 30232167422. Its totient is φ = 30232167420.

The previous prime is 30232167401. The next prime is 30232167431. The reversal of 30232167421 is 12476123203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28421239396 + 1810928025 = 168586^2 + 42555^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232167421 - 2¹³ = 30232159229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30232167401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116083710 + 15116083711.

It is an arithmetic number, because the mean of its divisors is an integer number (15116083711).

Almost surely, 2^30232167421 is an apocalyptic number.

It is an amenable number.

30232167421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232167421 is an equidigital number, since it uses as much as digits as its factorization.

30232167421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 30232167421 in words is "thirty billion, two hundred thirty-two million, one hundred sixty-seven thousand, four hundred twenty-one".