30111442131 has 8 divisors (see below), whose sum is σ = 40149428224. Its totient is φ = 20073875400.

The previous prime is 30111442099. The next prime is 30111442169. The reversal of 30111442131 is 13124411103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30111442131 - 2⁵ = 30111442099 is a prime.

It is a super-2 number, since 2×30111442131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30111442098 and 30111442107.

It is not an unprimeable number, because it can be changed into a prime (30111442181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153990 + ... + 289716.

It is an arithmetic number, because the mean of its divisors is an integer number (5018678528).

Almost surely, 2^30111442131 is an apocalyptic number.

30111442131 is a deficient number, since it is larger than the sum of its proper divisors (10037986093).

30111442131 is a wasteful number, since it uses less digits than its factorization.

30111442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209681.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30111442131 its reverse (13124411103), we get a palindrome (43235853234).

The spelling of 30111442131 in words is "thirty billion, one hundred eleven million, four hundred forty-two thousand, one hundred thirty-one".