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211312131313030 = 25111921019375573
BaseRepresentation
bin110000000010111111110000…
…100001100000110110000110
31000201012020112202102022120221
4300002333300201200312012
5210144114221104004110
62025231241502214554
762336540414060206
oct6002776041406606
91021166482368527
10211312131313030
116136aa762595a0
121b84985928445a
1390ba857931667
143a277c153c406
151966aa7e657da
hexc02ff0860d86

211312131313030 has 16 divisors (see below), whose sum is σ = 414940185123984. Its totient is φ = 76840775022880.

The previous prime is 211312131313021. The next prime is 211312131313093. The reversal of 211312131313030 is 30313131213112.

It is a junction number, because it is equal to n+sod(n) for n = 211312131312986 and 211312131313004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960509687677 + ... + 960509687896.

It is an arithmetic number, because the mean of its divisors is an integer number (25933761570249).

Almost surely, 2211312131313030 is an apocalyptic number.

211312131313030 is a deficient number, since it is larger than the sum of its proper divisors (203628053810954).

211312131313030 is a wasteful number, since it uses less digits than its factorization.

211312131313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921019375591.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 211312131313030 its reverse (30313131213112), we get a palindrome (241625262526142).

The spelling of 211312131313030 in words is "two hundred eleven trillion, three hundred twelve billion, one hundred thirty-one million, three hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 1921019375573 3842038751146 9605096877865 19210193755730 21131213131303 42262426262606 105656065656515 211312131313030