1043442031 has 4 divisors (see below), whose sum is σ = 1104820992. Its totient is φ = 982063072.

The previous prime is 1043441969. The next prime is 1043442073. The reversal of 1043442031 is 1302443401.

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

It is not a de Polignac number, because 1043442031 - 2⁹ = 1043441519 is a prime.

It is a super-2 number, since 2×1043442031² = 2177542544114809922, 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 = 1043441993 and 1043442011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043442131) 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, 30689455 + ... + 30689488.

It is an arithmetic number, because the mean of its divisors is an integer number (276205248).

Almost surely, 2^1043442031 is an apocalyptic number.

1043442031 is a deficient number, since it is larger than the sum of its proper divisors (61378961).

1043442031 is an equidigital number, since it uses as much as digits as its factorization.

1043442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61378960.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1043442031 is about 32302.3533353222. The cubic root of 1043442031 is about 1014.2759056995.

Adding to 1043442031 its reverse (1302443401), we get a palindrome (2345885432).

The spelling of 1043442031 in words is "one billion, forty-three million, four hundred forty-two thousand, thirty-one".