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1023324431 = 4492279119
BaseRepresentation
bin111100111111101…
…011000100001111
32122022120021012212
4330333223010033
54043432340211
6245313221035
734234054103
oct7477530417
92568507185
101023324431
11485704878
1224686177b
1313401581c
1499c9d903
155ec8c38b
hex3cfeb10f

1023324431 has 4 divisors (see below), whose sum is σ = 1025604000. Its totient is φ = 1021044864.

The previous prime is 1023324413. The next prime is 1023324437. The reversal of 1023324431 is 1344233201.

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 1023324431 - 226 = 956215567 is a prime.

It is a super-3 number, since 3×10233244313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023324397 and 1023324406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023324437) 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, 1139111 + ... + 1140008.

It is an arithmetic number, because the mean of its divisors is an integer number (256401000).

Almost surely, 21023324431 is an apocalyptic number.

1023324431 is a deficient number, since it is larger than the sum of its proper divisors (2279569).

1023324431 is an equidigital number, since it uses as much as digits as its factorization.

1023324431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279568.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1023324431 is about 31989.4424927975. The cubic root of 1023324431 is about 1007.7151339645.

Adding to 1023324431 its reverse (1344233201), we get a palindrome (2367557632).

The spelling of 1023324431 in words is "one billion, twenty-three million, three hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 449 2279119 1023324431