30116131 has 4 divisors (see below), whose sum is σ = 31425552. Its totient is φ = 28806712.

The previous prime is 30116101. The next prime is 30116153. The reversal of 30116131 is 13161103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13161103 = 167 ⋅78809.

It is a cyclic number.

It is not a de Polignac number, because 30116131 - 2¹³ = 30107939 is a prime.

It is a super-2 number, since 2×30116131² = 1813962692818322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30116101) 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, 654676 + ... + 654721.

It is an arithmetic number, because the mean of its divisors is an integer number (7856388).

Almost surely, 2^30116131 is an apocalyptic number.

30116131 is a deficient number, since it is larger than the sum of its proper divisors (1309421).

30116131 is a wasteful number, since it uses less digits than its factorization.

30116131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309420.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 30116131 is about 5487.8165967897. The cubic root of 30116131 is about 311.1236743746.

Adding to 30116131 its reverse (13161103), we get a palindrome (43277234).

The spelling of 30116131 in words is "thirty million, one hundred sixteen thousand, one hundred thirty-one".