1012330031 has 4 divisors (see below), whose sum is σ = 1012875864. Its totient is φ = 1011784200.

The previous prime is 1012330021. The next prime is 1012330043. The reversal of 1012330031 is 1300332101.

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 1012330031 - 2¹⁰ = 1012329007 is a prime.

It is a super-2 number, since 2×1012330031² = 2049624183328921922, 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 = 1012329988 and 1012330015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270125 + ... + 273846.

It is an arithmetic number, because the mean of its divisors is an integer number (253218966).

Almost surely, 2^1012330031 is an apocalyptic number.

1012330031 is a deficient number, since it is larger than the sum of its proper divisors (545833).

1012330031 is an equidigital number, since it uses as much as digits as its factorization.

1012330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545832.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1012330031 is about 31817.1342361313. The cubic root of 1012330031 is about 1004.0932329175.

Adding to 1012330031 its reverse (1300332101), we get a palindrome (2312662132).

The spelling of 1012330031 in words is "one billion, twelve million, three hundred thirty thousand, thirty-one".