30155161204431 has 12 divisors (see below), whose sum is σ = 43557571110352. Its totient is φ = 20103387247296.

The previous prime is 30155161204429. The next prime is 30155161204447. The reversal of 30155161204431 is 13440216155103.

30155161204431 is a `hidden beast` number, since 3 + 0 + 1 + 5 + 5 + 1 + 612 + 0 + 4 + 4 + 31 = 666.

It is not a de Polignac number, because 30155161204431 - 2¹ = 30155161204429 is a prime.

It is a super-2 number, since 2×30155161204431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30155161204471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732826 + ... + 7800471.

Almost surely, 2^{30155161204431} is an apocalyptic number.

30155161204431 is a deficient number, since it is larger than the sum of its proper divisors (13402409905921).

30155161204431 is a wasteful number, since it uses less digits than its factorization.

30155161204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925950 (or 8925947 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 30155161204431 its reverse (13440216155103), we get a palindrome (43595377359534).

The spelling of 30155161204431 in words is "thirty trillion, one hundred fifty-five billion, one hundred sixty-one million, two hundred four thousand, four hundred thirty-one".