1043140331 has 4 divisors (see below), whose sum is σ = 1050754632. Its totient is φ = 1035526032.

The previous prime is 1043140313. The next prime is 1043140369. The reversal of 1043140331 is 1330413401.

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

It is a cyclic number.

It is not a de Polignac number, because 1043140331 - 2¹⁴ = 1043123947 is a prime.

It is a super-2 number, since 2×1043140331² = 2176283500317579122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043140381) 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, 3806945 + ... + 3807218.

It is an arithmetic number, because the mean of its divisors is an integer number (262688658).

Almost surely, 2^1043140331 is an apocalyptic number.

1043140331 is a deficient number, since it is larger than the sum of its proper divisors (7614301).

1043140331 is an equidigital number, since it uses as much as digits as its factorization.

1043140331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614300.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1043140331 is about 32297.6830593156. The cubic root of 1043140331 is about 1014.1781406331.

Adding to 1043140331 its reverse (1330413401), we get a palindrome (2373553732).

The spelling of 1043140331 in words is "one billion, forty-three million, one hundred forty thousand, three hundred thirty-one".