30442255224391 has 2 divisors, whose sum is σ = 30442255224392. Its totient is φ = 30442255224390.

The previous prime is 30442255224373. The next prime is 30442255224431. The reversal of 30442255224391 is 19342255224403.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30442255224391 is a prime.

It is a super-2 number, since 2×30442255224391² (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 (30442255224371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221127612195 + 15221127612196.

It is an arithmetic number, because the mean of its divisors is an integer number (15221127612196).

Almost surely, 2^{30442255224391} is an apocalyptic number.

30442255224391 is a deficient number, since it is larger than the sum of its proper divisors (1).

30442255224391 is an equidigital number, since it uses as much as digits as its factorization.

30442255224391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 30442255224391 in words is "thirty trillion, four hundred forty-two billion, two hundred fifty-five million, two hundred twenty-four thousand, three hundred ninety-one".