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1035144431 = 5319531027
BaseRepresentation
bin111101101100110…
…000110011101111
32200010210210012122
4331230300303233
54104444110211
6250414423155
734436403536
oct7554606357
92603723178
101035144431
11491348372
1224a801abb
131365c38c9
149b69931d
1560d246db
hex3db30cef

1035144431 has 4 divisors (see below), whose sum is σ = 1054675512. Its totient is φ = 1015613352.

The previous prime is 1035144427. The next prime is 1035144437. The reversal of 1035144431 is 1344415301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344415301 = 1779083253.

It is a cyclic number.

It is not a de Polignac number, because 1035144431 - 22 = 1035144427 is a prime.

It is a super-2 number, since 2×10351444312 = 2143047986060627522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1035144431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035144437) 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, 9765461 + ... + 9765566.

It is an arithmetic number, because the mean of its divisors is an integer number (263668878).

Almost surely, 21035144431 is an apocalyptic number.

1035144431 is a deficient number, since it is larger than the sum of its proper divisors (19531081).

1035144431 is an equidigital number, since it uses as much as digits as its factorization.

1035144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19531080.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1035144431 is about 32173.6605160184. The cubic root of 1035144431 is about 1011.5801918522.

Adding to 1035144431 its reverse (1344415301), we get a palindrome (2379559732).

The spelling of 1035144431 in words is "one billion, thirty-five million, one hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 53 19531027 1035144431