30405031541 has 2 divisors, whose sum is σ = 30405031542. Its totient is φ = 30405031540.

The previous prime is 30405031499. The next prime is 30405031549. The reversal of 30405031541 is 14513050403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30034623025 + 370408516 = 173305^2 + 19246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30405031541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30405031541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30405031549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202515770 + 15202515771.

It is an arithmetic number, because the mean of its divisors is an integer number (15202515771).

Almost surely, 2^30405031541 is an apocalyptic number.

It is an amenable number.

30405031541 is a deficient number, since it is larger than the sum of its proper divisors (1).

30405031541 is an equidigital number, since it uses as much as digits as its factorization.

30405031541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 30405031541 its reverse (14513050403), we get a palindrome (44918081944).

The spelling of 30405031541 in words is "thirty billion, four hundred five million, thirty-one thousand, five hundred forty-one".