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13211021220103 = 7231494889112643
BaseRepresentation
bin1100000000111110111000…
…1110100001100100000111
31201202221221210011012112001
43000033232032201210013
53212422132413020403
644033020453410131
72532315264361420
oct300175616414407
951687853135461
1013211021220103
114233843082763
121594474339947
1374aa424217b5
143395b9b3c647
1517d9b048cc1d
hexc03ee3a1907

13211021220103 has 32 divisors (see below), whose sum is σ = 15863879808000. Its totient is φ = 10756406259456.

The previous prime is 13211021220101. The next prime is 13211021220107. The reversal of 13211021220103 is 30102212011231.

It is a cyclic number.

It is not a de Polignac number, because 13211021220103 - 21 = 13211021220101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211021220101) 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, 117225900 + ... + 117338542.

It is an arithmetic number, because the mean of its divisors is an integer number (495746244000).

Almost surely, 213211021220103 is an apocalyptic number.

13211021220103 is a deficient number, since it is larger than the sum of its proper divisors (2652858587897).

13211021220103 is a wasteful number, since it uses less digits than its factorization.

13211021220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117711.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13211021220103 its reverse (30102212011231), we get a palindrome (43313233231334).

The spelling of 13211021220103 in words is "thirteen trillion, two hundred eleven billion, twenty-one million, two hundred twenty thousand, one hundred three".

Divisors: 1 7 23 149 161 1043 3427 4889 23989 34223 112447 112643 728461 787129 788501 2590789 5099227 16754603 16783807 18135523 117282221 117486649 386027561 550711627 2702192927 3854981389 12666367421 82056032423 88664571947 574392226961 1887288745729 13211021220103