30404442014381 has 2 divisors, whose sum is σ = 30404442014382. Its totient is φ = 30404442014380.

The previous prime is 30404442014369. The next prime is 30404442014413. The reversal of 30404442014381 is 18341024440403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17130741544900 + 13273700469481 = 4138930^2 + 3643309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30404442014381 is a prime.

It is a super-2 number, since 2×30404442014381² (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 (30404442016381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202221007190 + 15202221007191.

It is an arithmetic number, because the mean of its divisors is an integer number (15202221007191).

Almost surely, 2^{30404442014381} is an apocalyptic number.

It is an amenable number.

30404442014381 is a deficient number, since it is larger than the sum of its proper divisors (1).

30404442014381 is an equidigital number, since it uses as much as digits as its factorization.

30404442014381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 30404442014381 its reverse (18341024440403), we get a palindrome (48745466454784).

The spelling of 30404442014381 in words is "thirty trillion, four hundred four billion, four hundred forty-two million, fourteen thousand, three hundred eighty-one".