30813018091541 has 32 divisors (see below), whose sum is σ = 38280707078400. Its totient is φ = 24705059678208.

The previous prime is 30813018091477. The next prime is 30813018091561. The reversal of 30813018091541 is 14519081031803.

It is not a de Polignac number, because 30813018091541 - 2⁶ = 30813018091477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30813018091492 and 30813018091501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30813018091561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15259196 + ... + 17160101.

It is an arithmetic number, because the mean of its divisors is an integer number (1196272096200).

Almost surely, 2^{30813018091541} is an apocalyptic number.

It is an amenable number.

30813018091541 is a deficient number, since it is larger than the sum of its proper divisors (7467688986859).

30813018091541 is a wasteful number, since it uses less digits than its factorization.

30813018091541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32419498 (or 32419484 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 30813018091541 in words is "thirty trillion, eight hundred thirteen billion, eighteen million, ninety-one thousand, five hundred forty-one".