30130311131 has 16 divisors (see below), whose sum is σ = 33590570400. Its totient is φ = 26858377728.

The previous prime is 30130311091. The next prime is 30130311137. The reversal of 30130311131 is 13111303103.

It is a cyclic number.

It is not a de Polignac number, because 30130311131 - 2²² = 30126116827 is a prime.

It is a super-2 number, since 2×30130311131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30130311137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518905 + ... + 1538613.

It is an arithmetic number, because the mean of its divisors is an integer number (2099410650).

Almost surely, 2^30130311131 is an apocalyptic number.

30130311131 is a deficient number, since it is larger than the sum of its proper divisors (3460259269).

30130311131 is a wasteful number, since it uses less digits than its factorization.

30130311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24478.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 30130311131 its reverse (13111303103), we get a palindrome (43241614234).

The spelling of 30130311131 in words is "thirty billion, one hundred thirty million, three hundred eleven thousand, one hundred thirty-one".