30803408131 has 2 divisors, whose sum is σ = 30803408132. Its totient is φ = 30803408130.

The previous prime is 30803408107. The next prime is 30803408227. The reversal of 30803408131 is 13180430803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30803408131 - 2²¹ = 30801310979 is a prime.

It is a super-2 number, since 2×30803408131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30803408093 and 30803408102.

It is not a weakly prime, because it can be changed into another prime (30803478131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401704065 + 15401704066.

It is an arithmetic number, because the mean of its divisors is an integer number (15401704066).

Almost surely, 2^30803408131 is an apocalyptic number.

30803408131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30803408131 is an equidigital number, since it uses as much as digits as its factorization.

30803408131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 30803408131 its reverse (13180430803), we get a palindrome (43983838934).

The spelling of 30803408131 in words is "thirty billion, eight hundred three million, four hundred eight thousand, one hundred thirty-one".