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31340132043 = 31117383145861
BaseRepresentation
bin11101001100000001…
…000111011011001011
32222220010222122221020
4131030001013123023
51003141033211133
622221503443523
72156431504233
oct351401073313
988803878836
1031340132043
1112322762080
1260a78b65a3
132c55c11a3c
141734414cc3
15c365e50b3
hex74c0476cb

31340132043 has 32 divisors (see below), whose sum is σ = 48393510912. Its totient is φ = 17829926400.

The previous prime is 31340132041. The next prime is 31340132053. The reversal of 31340132043 is 34023104313.

It is not a de Polignac number, because 31340132043 - 21 = 31340132041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31340132041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141933 + ... + 287793.

It is an arithmetic number, because the mean of its divisors is an integer number (1512297216).

Almost surely, 231340132043 is an apocalyptic number.

31340132043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31340132043 is a deficient number, since it is larger than the sum of its proper divisors (17053378869).

31340132043 is a wasteful number, since it uses less digits than its factorization.

31340132043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146275.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31340132043 its reverse (34023104313), we get a palindrome (65363236356).

The spelling of 31340132043 in words is "thirty-one billion, three hundred forty million, one hundred thirty-two thousand, forty-three".

Divisors: 1 3 11 17 33 51 187 383 561 1149 4213 6511 12639 19533 71621 145861 214863 437583 1604471 2479637 4813413 7438911 27276007 55864763 81828021 167594289 614512393 949700971 1843537179 2849102913 10446710681 31340132043