30055268931 has 4 divisors (see below), whose sum is σ = 40073691912. Its totient is φ = 20036845952.

The previous prime is 30055268911. The next prime is 30055268933. The reversal of 30055268931 is 13986255003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30055268931 - 2¹⁵ = 30055236163 is a prime.

It is a super-2 number, since 2×30055268931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30055268933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009211486 + ... + 5009211491.

It is an arithmetic number, because the mean of its divisors is an integer number (10018422978).

Almost surely, 2^30055268931 is an apocalyptic number.

30055268931 is a deficient number, since it is larger than the sum of its proper divisors (10018422981).

30055268931 is a wasteful number, since it uses less digits than its factorization.

30055268931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10018422980.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 30055268931 in words is "thirty billion, fifty-five million, two hundred sixty-eight thousand, nine hundred thirty-one".