30830131 has 2 divisors, whose sum is σ = 30830132. Its totient is φ = 30830130.

The previous prime is 30830119. The next prime is 30830147. The reversal of 30830131 is 13103803.

It is a weak prime.

It is an emirp because it is prime and its reverse (13103803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30830131 - 2¹⁹ = 30305843 is a prime.

It is a super-2 number, since 2×30830131² = 1900993954954322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30830099 and 30830108.

It is not a weakly prime, because it can be changed into another prime (30830171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415065 + 15415066.

It is an arithmetic number, because the mean of its divisors is an integer number (15415066).

Almost surely, 2^30830131 is an apocalyptic number.

30830131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30830131 is an equidigital number, since it uses as much as digits as its factorization.

30830131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 30830131 is about 5552.4887212853. The cubic root of 30830131 is about 313.5632256083.

Adding to 30830131 its reverse (13103803), we get a palindrome (43933934).

The spelling of 30830131 in words is "thirty million, eight hundred thirty thousand, one hundred thirty-one".