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1013331423 = 31342161717
BaseRepresentation
bin111100011001100…
…011010111011111
32121121202120101110
4330121203113133
54033403101143
6244315113103
734053114006
oct7431432737
92547676343
101013331423
1147aaa9995
12243442793
13131c271c0
149881bc3d
155de66533
hex3c6635df

1013331423 has 16 divisors (see below), whose sum is σ = 1458519776. Its totient is φ = 622097280.

The previous prime is 1013331419. The next prime is 1013331437. The reversal of 1013331423 is 3241333101.

It is not a de Polignac number, because 1013331423 - 22 = 1013331419 is a prime.

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 1013331423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013331413) 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 15 ways as a sum of consecutive naturals, for example, 14440 + ... + 47277.

It is an arithmetic number, because the mean of its divisors is an integer number (91157486).

Almost surely, 21013331423 is an apocalyptic number.

1013331423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013331423 is a deficient number, since it is larger than the sum of its proper divisors (445188353).

1013331423 is a wasteful number, since it uses less digits than its factorization.

1013331423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62154.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1013331423 is about 31832.8670245079. The cubic root of 1013331423 is about 1004.4242052091.

Adding to 1013331423 its reverse (3241333101), we get a palindrome (4254664524).

The spelling of 1013331423 in words is "one billion, thirteen million, three hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 3 13 39 421 1263 5473 16419 61717 185151 802321 2406963 25982857 77948571 337777141 1013331423