1042304331 has 4 divisors (see below), whose sum is σ = 1389739112. Its totient is φ = 694869552.

The previous prime is 1042304321. The next prime is 1042304339. The reversal of 1042304331 is 1334032401.

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

It is not a de Polignac number, because 1042304331 - 2¹⁰ = 1042303307 is a prime.

It is a super-2 number, since 2×1042304331² = 2172796636842715122, 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 = 1042304298 and 1042304307.

It is not an unprimeable number, because it can be changed into a prime (1042304339) 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, 173717386 + ... + 173717391.

It is an arithmetic number, because the mean of its divisors is an integer number (347434778).

Almost surely, 2^1042304331 is an apocalyptic number.

1042304331 is a deficient number, since it is larger than the sum of its proper divisors (347434781).

1042304331 is an equidigital number, since it uses as much as digits as its factorization.

1042304331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347434780.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1042304331 is about 32284.7383604080. The cubic root of 1042304331 is about 1013.9071385770.

Adding to 1042304331 its reverse (1334032401), we get a palindrome (2376336732).

The spelling of 1042304331 in words is "one billion, forty-two million, three hundred four thousand, three hundred thirty-one".