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1044040031 = 41253110061
BaseRepresentation
bin111110001110101…
…100100101011111
32200202112201200022
4332032230211133
54114233240111
6251333222355
734605123326
oct7616544537
92622481608
101044040031
11496373801
122517919bb
131383b9888
149c9330bd
15619d02db
hex3e3ac95f

1044040031 has 8 divisors (see below), whose sum is σ = 1070033328. Its totient is φ = 1018072000.

The previous prime is 1044040021. The next prime is 1044040051. The reversal of 1044040031 is 1300404401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1044040031 - 222 = 1039845727 is a prime.

It is a super-2 number, since 2×10440400312 = 2180039172660961922, 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 = 1044039991 and 1044040009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044040021) 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 7 ways as a sum of consecutive naturals, for example, 98741 + ... + 108801.

It is an arithmetic number, because the mean of its divisors is an integer number (133754166).

Almost surely, 21044040031 is an apocalyptic number.

1044040031 is a deficient number, since it is larger than the sum of its proper divisors (25993297).

1044040031 is a wasteful number, since it uses less digits than its factorization.

1044040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12633.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1044040031 is about 32311.6083010425. The cubic root of 1044040031 is about 1014.4696302960.

Adding to 1044040031 its reverse (1300404401), we get a palindrome (2344444432).

The spelling of 1044040031 in words is "one billion, forty-four million, forty thousand, thirty-one".

Divisors: 1 41 2531 10061 103771 412501 25464391 1044040031