30163122431 has 16 divisors (see below), whose sum is σ = 32791518144. Its totient is φ = 27579062784.

The previous prime is 30163122377. The next prime is 30163122463. The reversal of 30163122431 is 13422136103.

It is not a de Polignac number, because 30163122431 - 2¹⁰ = 30163121407 is a prime.

It is a super-2 number, since 2×30163122431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30163122431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30163122331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2707685 + ... + 2718801.

It is an arithmetic number, because the mean of its divisors is an integer number (2049469884).

Almost surely, 2^30163122431 is an apocalyptic number.

30163122431 is a deficient number, since it is larger than the sum of its proper divisors (2628395713).

30163122431 is a wasteful number, since it uses less digits than its factorization.

30163122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 30163122431 its reverse (13422136103), we get a palindrome (43585258534).

The spelling of 30163122431 in words is "thirty billion, one hundred sixty-three million, one hundred twenty-two thousand, four hundred thirty-one".