1105306231 has 2 divisors, whose sum is σ = 1105306232. Its totient is φ = 1105306230.

The previous prime is 1105306207. The next prime is 1105306309. The reversal of 1105306231 is 1326035011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105306231 - 2⁵ = 1105306199 is a prime.

It is a super-2 number, since 2×1105306231² = 2443403728574850722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105306201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552653115 + 552653116.

It is an arithmetic number, because the mean of its divisors is an integer number (552653116).

Almost surely, 2^1105306231 is an apocalyptic number.

1105306231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105306231 is an equidigital number, since it uses as much as digits as its factorization.

1105306231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1105306231 is about 33246.1461074814. The cubic root of 1105306231 is about 1033.9373071869.

The spelling of 1105306231 in words is "one billion, one hundred five million, three hundred six thousand, two hundred thirty-one".