1042545331 has 8 divisors (see below), whose sum is σ = 1089176400. Its totient is φ = 996626400.

The previous prime is 1042545313. The next prime is 1042545347. The reversal of 1042545331 is 1335452401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042545331 - 2⁵ = 1042545299 is a prime.

It is a super-3 number, since 3×1042545331³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 1042545331.

It is not an unprimeable number, because it can be changed into a prime (1042545131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175041 + ... + 180898.

It is an arithmetic number, because the mean of its divisors is an integer number (136147050).

Almost surely, 2^1042545331 is an apocalyptic number.

1042545331 is a deficient number, since it is larger than the sum of its proper divisors (46631069).

1042545331 is a wasteful number, since it uses less digits than its factorization.

1042545331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356069.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1042545331 is about 32288.4705583897. The cubic root of 1042545331 is about 1013.9852772366.

Adding to 1042545331 its reverse (1335452401), we get a palindrome (2377997732).

The spelling of 1042545331 in words is "one billion, forty-two million, five hundred forty-five thousand, three hundred thirty-one".