1153450331 has 4 divisors (see below), whose sum is σ = 1258309464. Its totient is φ = 1048591200.

The previous prime is 1153450301. The next prime is 1153450343. The reversal of 1153450331 is 1330543511.

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 1153450331 - 2¹⁸ = 1153188187 is a prime.

It is a super-2 number, since 2×1153450331² = 2660895332168019122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153450331.

It is not an unprimeable number, because it can be changed into a prime (1153450301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52429550 + ... + 52429571.

It is an arithmetic number, because the mean of its divisors is an integer number (314577366).

Almost surely, 2^1153450331 is an apocalyptic number.

1153450331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1153450331 is a deficient number, since it is larger than the sum of its proper divisors (104859133).

1153450331 is a wasteful number, since it uses less digits than its factorization.

1153450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104859132.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1153450331 is about 33962.4841700368. The cubic root of 1153450331 is about 1048.7362970948.

Adding to 1153450331 its reverse (1330543511), we get a palindrome (2483993842).

The spelling of 1153450331 in words is "one billion, one hundred fifty-three million, four hundred fifty thousand, three hundred thirty-one".