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23031013312211 = 290370823112019
BaseRepresentation
bin1010011110010010100110…
…10111100000011011010011
310000112202001220202021111212
411033021103113200123103
511004320003401442321
6120552145040330335
74564635660051602
oct517112327403323
9100482056667455
1023031013312211
11737a441663253
1226bb6939139ab
13cb0a7a0c7248
145989c7db3a39
1529e15216455b
hex14f2535e06d3

23031013312211 has 8 divisors (see below), whose sum is σ = 23039477809920. Its totient is φ = 23022549185992.

The previous prime is 23031013312007. The next prime is 23031013312253. The reversal of 23031013312211 is 11221331013032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23031013312211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031013312261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205543160 + ... + 205655178.

It is an arithmetic number, because the mean of its divisors is an integer number (2879934726240).

Almost surely, 223031013312211 is an apocalyptic number.

23031013312211 is a deficient number, since it is larger than the sum of its proper divisors (8464497709).

23031013312211 is a wasteful number, since it uses less digits than its factorization.

23031013312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185745.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23031013312211 its reverse (11221331013032), we get a palindrome (34252344325243).

The spelling of 23031013312211 in words is "twenty-three trillion, thirty-one billion, thirteen million, three hundred twelve thousand, two hundred eleven".

Divisors: 1 2903 70823 112019 205599169 325191157 7933521637 23031013312211