1012044931 has 4 divisors (see below), whose sum is σ = 1012743864. Its totient is φ = 1011346000.

The previous prime is 1012044907. The next prime is 1012044949. The reversal of 1012044931 is 1394402101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012044931 is a prime.

It is a super-2 number, since 2×1012044931² = 2048469884725589522, 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 = 1012044896 and 1012044905.

It is not an unprimeable number, because it can be changed into a prime (1012044031) 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 3 ways as a sum of consecutive naturals, for example, 347290 + ... + 350191.

It is an arithmetic number, because the mean of its divisors is an integer number (253185966).

Almost surely, 2^1012044931 is an apocalyptic number.

1012044931 is a deficient number, since it is larger than the sum of its proper divisors (698933).

1012044931 is an equidigital number, since it uses as much as digits as its factorization.

1012044931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698932.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1012044931 is about 31812.6536302774. The cubic root of 1012044931 is about 1003.9989639704.

The spelling of 1012044931 in words is "one billion, twelve million, forty-four thousand, nine hundred thirty-one".