30841231 has 2 divisors, whose sum is σ = 30841232. Its totient is φ = 30841230.

The previous prime is 30841211. The next prime is 30841241. The reversal of 30841231 is 13214803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30841231 - 2⁷ = 30841103 is a prime.

It is a super-2 number, since 2×30841231² = 1902363059190722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30841201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420615 + 15420616.

It is an arithmetic number, because the mean of its divisors is an integer number (15420616).

Almost surely, 2^30841231 is an apocalyptic number.

30841231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30841231 is an equidigital number, since it uses as much as digits as its factorization.

30841231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 30841231 is about 5553.4881831152. The cubic root of 30841231 is about 313.6008525884.

The spelling of 30841231 in words is "thirty million, eight hundred forty-one thousand, two hundred thirty-one".