1150054331 has 4 divisors (see below), whose sum is σ = 1150594632. Its totient is φ = 1149514032.

The previous prime is 1150054273. The next prime is 1150054333. The reversal of 1150054331 is 1334500511.

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 1150054331 - 2¹⁸ = 1149792187 is a prime.

It is a super-2 number, since 2×1150054331² = 2645249928503715122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150054297 and 1150054306.

It is not an unprimeable number, because it can be changed into a prime (1150054333) 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 in 3 ways as a sum of consecutive naturals, for example, 266945 + ... + 271218.

It is an arithmetic number, because the mean of its divisors is an integer number (287648658).

Almost surely, 2^1150054331 is an apocalyptic number.

1150054331 is a deficient number, since it is larger than the sum of its proper divisors (540301).

1150054331 is an equidigital number, since it uses as much as digits as its factorization.

1150054331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540300.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1150054331 is about 33912.4509730571. The cubic root of 1150054331 is about 1047.7060520484.

Adding to 1150054331 its reverse (1334500511), we get a palindrome (2484554842).

The spelling of 1150054331 in words is "one billion, one hundred fifty million, fifty-four thousand, three hundred thirty-one".