30013061131 has 2 divisors, whose sum is σ = 30013061132. Its totient is φ = 30013061130.

The previous prime is 30013061107. The next prime is 30013061159. The reversal of 30013061131 is 13116031003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30013061131 - 2⁹ = 30013060619 is a prime.

It is a super-2 number, since 2×30013061131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30013061099 and 30013061108.

It is not a weakly prime, because it can be changed into another prime (30013061171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006530565 + 15006530566.

It is an arithmetic number, because the mean of its divisors is an integer number (15006530566).

Almost surely, 2^30013061131 is an apocalyptic number.

30013061131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013061131 is an equidigital number, since it uses as much as digits as its factorization.

30013061131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 30013061131 its reverse (13116031003), we get a palindrome (43129092134).

The spelling of 30013061131 in words is "thirty billion, thirteen million, sixty-one thousand, one hundred thirty-one".