30301320131 has 4 divisors (see below), whose sum is σ = 30303485232. Its totient is φ = 30299155032.

The previous prime is 30301320043. The next prime is 30301320143. The reversal of 30301320131 is 13102310303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13102310303 = 73019 ⋅179437.

It is a cyclic number.

It is not a de Polignac number, because 30301320131 - 2³⁰ = 29227578307 is a prime.

It is a super-2 number, since 2×30301320131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30306320131) 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, 1061420 + ... + 1089593.

It is an arithmetic number, because the mean of its divisors is an integer number (7575871308).

Almost surely, 2^30301320131 is an apocalyptic number.

30301320131 is a deficient number, since it is larger than the sum of its proper divisors (2165101).

30301320131 is a wasteful number, since it uses less digits than its factorization.

30301320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165100.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30301320131 its reverse (13102310303), we get a palindrome (43403630434).

The spelling of 30301320131 in words is "thirty billion, three hundred one million, three hundred twenty thousand, one hundred thirty-one".