30402225316213 has 2 divisors, whose sum is σ = 30402225316214. Its totient is φ = 30402225316212.

The previous prime is 30402225316187. The next prime is 30402225316223. The reversal of 30402225316213 is 31261352220403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28083619162404 + 2318606153809 = 5299398^2 + 1522697^2 .

It is a cyclic number.

It is not a de Polignac number, because 30402225316213 - 2⁵ = 30402225316181 is a prime.

It is a super-2 number, since 2×30402225316213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30402225316223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201112658106 + 15201112658107.

It is an arithmetic number, because the mean of its divisors is an integer number (15201112658107).

Almost surely, 2^{30402225316213} is an apocalyptic number.

It is an amenable number.

30402225316213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30402225316213 is an equidigital number, since it uses as much as digits as its factorization.

30402225316213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 30402225316213 its reverse (31261352220403), we get a palindrome (61663577536616).

The spelling of 30402225316213 in words is "thirty trillion, four hundred two billion, two hundred twenty-five million, three hundred sixteen thousand, two hundred thirteen".