30055611231 has 12 divisors (see below), whose sum is σ = 43467334560. Its totient is φ = 20012301600.

The previous prime is 30055611203. The next prime is 30055611259. The reversal of 30055611231 is 13211655003.

It is an interprime number because it is at equal distance from previous prime (30055611203) and next prime (30055611259).

It is not a de Polignac number, because 30055611231 - 2¹⁷ = 30055480159 is a prime.

It is a super-2 number, since 2×30055611231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30055611195 and 30055611204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055611731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2056695 + ... + 2071256.

It is an arithmetic number, because the mean of its divisors is an integer number (3622277880).

Almost surely, 2^30055611231 is an apocalyptic number.

30055611231 is a deficient number, since it is larger than the sum of its proper divisors (13411723329).

30055611231 is a wasteful number, since it uses less digits than its factorization.

30055611231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128766 (or 4128763 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 30055611231 in words is "thirty billion, fifty-five million, six hundred eleven thousand, two hundred thirty-one".