1042266331 has 4 divisors (see below), whose sum is σ = 1042347600. Its totient is φ = 1042185064.

The previous prime is 1042266301. The next prime is 1042266347. The reversal of 1042266331 is 1336622401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1042266331 - 2²⁹ = 505395419 is a prime.

It is a super-2 number, since 2×1042266331² = 2172638209472403122, 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 1042266331.

It is not an unprimeable number, because it can be changed into a prime (1042266301) 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, 16696 + ... + 48613.

It is an arithmetic number, because the mean of its divisors is an integer number (260586900).

Almost surely, 2^1042266331 is an apocalyptic number.

1042266331 is a deficient number, since it is larger than the sum of its proper divisors (81269).

1042266331 is an equidigital number, since it uses as much as digits as its factorization.

1042266331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81268.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1042266331 is about 32284.1498416793. The cubic root of 1042266331 is about 1013.8948168592.

Adding to 1042266331 its reverse (1336622401), we get a palindrome (2378888732).

The spelling of 1042266331 in words is "one billion, forty-two million, two hundred sixty-six thousand, three hundred thirty-one".