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22013111002031 = 234147617804983
BaseRepresentation
bin1010000000101010100111…
…01010010110001110101111
32212221102200112222021020122
411000111103222112032233
510341130322404031111
6114452403353235155
74431252261141452
oct500252352261657
985842615867218
1022013111002031
117017787309796
122576356402abb
13c38a9ac13276
145616240cd499
15282928ddecdb
hex140553a963af

22013111002031 has 32 divisors (see below), whose sum is σ = 24070077739008. Its totient is φ = 20072773557760.

The previous prime is 22013111002021. The next prime is 22013111002063. The reversal of 22013111002031 is 13020011131022.

It is not a de Polignac number, because 22013111002031 - 242 = 17615064490927 is a prime.

It is a super-2 number, since 2×220131110020312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013111002021) 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, 26943566 + ... + 27748548.

It is an arithmetic number, because the mean of its divisors is an integer number (752189929344).

Almost surely, 222013111002031 is an apocalyptic number.

22013111002031 is a deficient number, since it is larger than the sum of its proper divisors (2056966736977).

22013111002031 is a wasteful number, since it uses less digits than its factorization.

22013111002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805711.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22013111002031 its reverse (13020011131022), we get a palindrome (35033122133053).

The spelling of 22013111002031 in words is "twenty-two trillion, thirteen billion, one hundred eleven million, two thousand, thirty-one".

Divisors: 1 23 41 47 617 943 1081 1927 14191 25297 28999 44321 581831 666977 804983 1188959 18514609 27346057 33004303 37834201 496674511 759098969 870186623 1551202241 11423513753 20363654951 23343702017 35677651543 468364063873 536905146391 957091782697 22013111002031