1042328831 has 2 divisors, whose sum is σ = 1042328832. Its totient is φ = 1042328830.

The previous prime is 1042328827. The next prime is 1042328843. The reversal of 1042328831 is 1388232401.

It is a weak prime.

It is an emirp because it is prime and its reverse (1388232401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042328831 - 2² = 1042328827 is a prime.

It is a super-2 number, since 2×1042328831² = 2172898783867653122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042328851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521164415 + 521164416.

It is an arithmetic number, because the mean of its divisors is an integer number (521164416).

Almost surely, 2^1042328831 is an apocalyptic number.

1042328831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042328831 is an equidigital number, since it uses as much as digits as its factorization.

1042328831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1042328831 is about 32285.1177944266. The cubic root of 1042328831 is about 1013.9150826836.

The spelling of 1042328831 in words is "one billion, forty-two million, three hundred twenty-eight thousand, eight hundred thirty-one".