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1140804031 is a prime number
BaseRepresentation
bin100001111111111…
…0100100110111111
32221111121211221011
41003333310212333
54314021212111
6305111220051
740161450163
oct10377644677
92844554834
101140804031
11535a54a54
1227a077627
13152469493
14ab720ca3
156a246021
hex43ff49bf

1140804031 has 2 divisors, whose sum is σ = 1140804032. Its totient is φ = 1140804030.

The previous prime is 1140804029. The next prime is 1140804037. The reversal of 1140804031 is 1304080411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1304080411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140804031 - 21 = 1140804029 is a prime.

It is a super-2 number, since 2×11408040312 = 2602867674291697922, which contains 22 as substring.

Together with 1140804029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1140803993 and 1140804011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140804037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570402015 + 570402016.

It is an arithmetic number, because the mean of its divisors is an integer number (570402016).

Almost surely, 21140804031 is an apocalyptic number.

1140804031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140804031 is an equidigital number, since it uses as much as digits as its factorization.

1140804031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1140804031 is about 33775.7906051065. The cubic root of 1140804031 is about 1044.8894615342.

Adding to 1140804031 its reverse (1304080411), we get a palindrome (2444884442).

The spelling of 1140804031 in words is "one billion, one hundred forty million, eight hundred four thousand, thirty-one".