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1031433023 = 3141219793
BaseRepresentation
bin111101011110100…
…110101100111111
32122212211020010002
4331132212230333
54103021324043
6250203104515
734363015235
oct7536465477
92585736102
101031433023
1148a242995
1224951213b
131358c44ca
149adb0955
156083ebb8
hex3d7a6b3f

1031433023 has 12 divisors (see below), whose sum is σ = 1091361984. Its totient is φ = 973766400.

The previous prime is 1031433017. The next prime is 1031433059. The reversal of 1031433023 is 3203341301.

It is not a de Polignac number, because 1031433023 - 226 = 964324159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031432986 and 1031433004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031433223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42215 + ... + 62007.

It is an arithmetic number, because the mean of its divisors is an integer number (90946832).

Almost surely, 21031433023 is an apocalyptic number.

1031433023 is a deficient number, since it is larger than the sum of its proper divisors (59928961).

1031433023 is an equidigital number, since it uses as much as digits as its factorization.

1031433023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906 (or 19865 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1031433023 is about 32115.9309844818. The cubic root of 1031433023 is about 1010.3697704986.

Adding to 1031433023 its reverse (3203341301), we get a palindrome (4234774324).

The spelling of 1031433023 in words is "one billion, thirty-one million, four hundred thirty-three thousand, twenty-three".

Divisors: 1 31 41 1271 1681 19793 52111 613583 811513 25156903 33272033 1031433023