1105420331 has 4 divisors (see below), whose sum is σ = 1111208064. Its totient is φ = 1099632600.

The previous prime is 1105420321. The next prime is 1105420333. The reversal of 1105420331 is 1330245011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1105420331 - 2¹⁴ = 1105403947 is a prime.

It is a super-2 number, since 2×1105420331² = 2443908216376299122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105420333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2893580 + ... + 2893961.

It is an arithmetic number, because the mean of its divisors is an integer number (277802016).

Almost surely, 2^1105420331 is an apocalyptic number.

1105420331 is a deficient number, since it is larger than the sum of its proper divisors (5787733).

1105420331 is an equidigital number, since it uses as much as digits as its factorization.

1105420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787732.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1105420331 is about 33247.8620515666. The cubic root of 1105420331 is about 1033.9728835078.

Adding to 1105420331 its reverse (1330245011), we get a palindrome (2435665342).

The spelling of 1105420331 in words is "one billion, one hundred five million, four hundred twenty thousand, three hundred thirty-one".