30131323 has 2 divisors, whose sum is σ = 30131324. Its totient is φ = 30131322.

The previous prime is 30131317. The next prime is 30131329. The reversal of 30131323 is 32313103.

It is a balanced prime because it is at equal distance from previous prime (30131317) and next prime (30131329).

It is a cyclic number.

It is not a de Polignac number, because 30131323 - 2⁵ = 30131291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30131297 and 30131306.

It is not a weakly prime, because it can be changed into another prime (30131329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065661 + 15065662.

It is an arithmetic number, because the mean of its divisors is an integer number (15065662).

Almost surely, 2^30131323 is an apocalyptic number.

30131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

30131323 is an equidigital number, since it uses as much as digits as its factorization.

30131323 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 16.

The square root of 30131323 is about 5489.2005793194. The cubic root of 30131323 is about 311.1759807428.

Adding to 30131323 its reverse (32313103), we get a palindrome (62444426).

The spelling of 30131323 in words is "thirty million, one hundred thirty-one thousand, three hundred twenty-three".