30456225153281 has 2 divisors, whose sum is σ = 30456225153282. Its totient is φ = 30456225153280.

The previous prime is 30456225153269. The next prime is 30456225153373. The reversal of 30456225153281 is 18235152265403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16625264153281 + 13830961000000 = 4077409^2 + 3719000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30456225153281 is a prime.

It is a super-2 number, since 2×30456225153281² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30456225153251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15228112576640 + 15228112576641.

It is an arithmetic number, because the mean of its divisors is an integer number (15228112576641).

Almost surely, 2^{30456225153281} is an apocalyptic number.

It is an amenable number.

30456225153281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30456225153281 is an equidigital number, since it uses as much as digits as its factorization.

30456225153281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 30456225153281 in words is "thirty trillion, four hundred fifty-six billion, two hundred twenty-five million, one hundred fifty-three thousand, two hundred eighty-one".