1105154231 has 2 divisors, whose sum is σ = 1105154232. Its totient is φ = 1105154230.

The previous prime is 1105154201. The next prime is 1105154233. The reversal of 1105154231 is 1324515011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105154231 - 2²⁶ = 1038045367 is a prime.

It is a super-2 number, since 2×1105154231² = 2442731748594402722, which contains 22 as substring.

Together with 1105154233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105154197 and 1105154206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105154233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552577115 + 552577116.

It is an arithmetic number, because the mean of its divisors is an integer number (552577116).

Almost surely, 2^1105154231 is an apocalyptic number.

1105154231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105154231 is an equidigital number, since it uses as much as digits as its factorization.

1105154231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1105154231 is about 33243.8600496392. The cubic root of 1105154231 is about 1033.8899098621.

Adding to 1105154231 its reverse (1324515011), we get a palindrome (2429669242).

The spelling of 1105154231 in words is "one billion, one hundred five million, one hundred fifty-four thousand, two hundred thirty-one".