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23031122111331 = 31922914669120283
BaseRepresentation
bin1010011110010010110011…
…10110100010101101100011
310000112202100111110211211220
411033021121312202231203
511004320214230030311
6120552203524310123
74564641450612315
oct517113166425543
9100482314424756
1023031122111331
11737a498014684
1226bb704242343
13cb0a967cbb19
145989d86157b5
1529e15b9a6206
hex14f259da2b63

23031122111331 has 32 divisors (see below), whose sum is σ = 32468019552000. Its totient is φ = 14481344654208.

The previous prime is 23031122111269. The next prime is 23031122111353. The reversal of 23031122111331 is 13311122113032.

It is not a de Polignac number, because 23031122111331 - 229 = 23030585240419 is a prime.

It is a super-3 number, since 3×230311221113313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (23031122111731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191414316 + ... + 191534598.

It is an arithmetic number, because the mean of its divisors is an integer number (1014625611000).

Almost surely, 223031122111331 is an apocalyptic number.

23031122111331 is a deficient number, since it is larger than the sum of its proper divisors (9436897440669).

23031122111331 is a wasteful number, since it uses less digits than its factorization.

23031122111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135203.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 23031122111331 its reverse (13311122113032), we get a palindrome (36342244224363).

The spelling of 23031122111331 in words is "twenty-three trillion, thirty-one billion, one hundred twenty-two million, one hundred eleven thousand, three hundred thirty-one".

Divisors: 1 3 19 57 229 687 4351 13053 14669 44007 120283 278711 360849 836133 2285377 3359201 6856131 10077603 27544807 63824819 82634421 191474457 523351333 1570053999 1764431327 5293293981 33524195213 100572585639 404054773883 1212164321649 7677040703777 23031122111331