1153042331 has 4 divisors (see below), whose sum is σ = 1317762672. Its totient is φ = 988321992.

The previous prime is 1153042321. The next prime is 1153042333. The reversal of 1153042331 is 1332403511.

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

It is not a de Polignac number, because 1153042331 - 2¹⁴ = 1153025947 is a prime.

It is a super-2 number, since 2×1153042331² = 2659013234155827122, 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 = 1153042297 and 1153042306.

It is not an unprimeable number, because it can be changed into a prime (1153042333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82360160 + ... + 82360173.

It is an arithmetic number, because the mean of its divisors is an integer number (329440668).

Almost surely, 2^1153042331 is an apocalyptic number.

1153042331 is a deficient number, since it is larger than the sum of its proper divisors (164720341).

1153042331 is an equidigital number, since it uses as much as digits as its factorization.

1153042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164720340.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1153042331 is about 33956.4770110210. The cubic root of 1153042331 is about 1048.6126290419.

Adding to 1153042331 its reverse (1332403511), we get a palindrome (2485445842).

The spelling of 1153042331 in words is "one billion, one hundred fifty-three million, forty-two thousand, three hundred thirty-one".