30544113231 has 32 divisors (see below), whose sum is σ = 48336419520. Its totient is φ = 18995300352.

The previous prime is 30544113221. The next prime is 30544113253. The reversal of 30544113231 is 13231144503.

It is a happy number.

30544113231 is a `hidden beast` number, since 3 + 0 + 544 + 113 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 30544113231 - 2⁵ = 30544113199 is a prime.

It is a super-2 number, since 2×30544113231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30544113195 and 30544113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30544113221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242580 + ... + 346313.

It is an arithmetic number, because the mean of its divisors is an integer number (1510513110).

Almost surely, 2^30544113231 is an apocalyptic number.

30544113231 is a deficient number, since it is larger than the sum of its proper divisors (17792306289).

30544113231 is a wasteful number, since it uses less digits than its factorization.

30544113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589032 (or 589026 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 30544113231 its reverse (13231144503), we get a palindrome (43775257734).

The spelling of 30544113231 in words is "thirty billion, five hundred forty-four million, one hundred thirteen thousand, two hundred thirty-one".