30984436213 has 2 divisors, whose sum is σ = 30984436214. Its totient is φ = 30984436212.

The previous prime is 30984436201. The next prime is 30984436277. The reversal of 30984436213 is 31263448903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18686069809 + 12298366404 = 136697^2 + 110898^2 .

It is a cyclic number.

It is not a de Polignac number, because 30984436213 - 2¹⁷ = 30984305141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30984436213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30984431213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15492218106 + 15492218107.

It is an arithmetic number, because the mean of its divisors is an integer number (15492218107).

Almost surely, 2^30984436213 is an apocalyptic number.

It is an amenable number.

30984436213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30984436213 is an equidigital number, since it uses as much as digits as its factorization.

30984436213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 30984436213 in words is "thirty billion, nine hundred eighty-four million, four hundred thirty-six thousand, two hundred thirteen".