1012040331 has 16 divisors (see below), whose sum is σ = 1394717184. Its totient is φ = 652374944.

The previous prime is 1012040297. The next prime is 1012040357. The reversal of 1012040331 is 1330402101.

It is a cyclic number.

It is not a de Polignac number, because 1012040331 - 2¹⁷ = 1011909259 is a prime.

It is a super-2 number, since 2×1012040331² = 2048451263141179122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012040331.

It is not an unprimeable number, because it can be changed into a prime (1012040371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31536 + ... + 54941.

It is an arithmetic number, because the mean of its divisors is an integer number (87169824).

Almost surely, 2^1012040331 is an apocalyptic number.

1012040331 is a deficient number, since it is larger than the sum of its proper divisors (382676853).

1012040331 is an equidigital number, since it uses as much as digits as its factorization.

1012040331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86610.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012040331 is about 31812.5813319196. The cubic root of 1012040331 is about 1003.9974428251.

Adding to 1012040331 its reverse (1330402101), we get a palindrome (2342442432).

The spelling of 1012040331 in words is "one billion, twelve million, forty thousand, three hundred thirty-one".