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31203122011041 = 325761367939719
BaseRepresentation
bin1110001100001000010110…
…00000001101101110100001
311002110222201020000110111010
413012010023000031232201
513042212443213323131
6150210303311211133
76400231310633241
oct706041300155641
9132428636013433
1031203122011041
119a40195a03262
1235bb45a516aa9
13145459878a866
1479c34c39bb21
153919e8b09b46
hex1c610b00dba1

31203122011041 has 32 divisors (see below), whose sum is σ = 41844643856640. Its totient is φ = 20682162929664.

The previous prime is 31203122011037. The next prime is 31203122011097. The reversal of 31203122011041 is 14011022130213.

It is not a de Polignac number, because 31203122011041 - 22 = 31203122011037 is a prime.

It is a super-2 number, since 2×312031220110412 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31203122010999 and 31203122011017.

It is not an unprimeable number, because it can be changed into a prime (31203122011441) 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, 3210523180 + ... + 3210532898.

It is an arithmetic number, because the mean of its divisors is an integer number (1307645120520).

Almost surely, 231203122011041 is an apocalyptic number.

It is an amenable number.

31203122011041 is a deficient number, since it is larger than the sum of its proper divisors (10641521845599).

31203122011041 is a wasteful number, since it uses less digits than its factorization.

31203122011041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31203122011041 its reverse (14011022130213), we get a palindrome (45214144141254).

The spelling of 31203122011041 in words is "thirty-one trillion, two hundred three billion, one hundred twenty-two million, eleven thousand, forty-one".

Divisors: 1 3 257 613 771 1839 6793 9719 20379 29157 157541 472623 1745801 2497783 4164109 5237403 5957747 7493349 12492327 17873241 66021167 198063501 1070176013 1531140979 3210528039 4593422937 16967439919 40470975371 50902319757 121412926113 10401040670347 31203122011041