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31103101110011 = 7103907325314621
BaseRepresentation
bin1110001001001110000010…
…10010110000011011111011
311002010102112121001020102012
413010213001102300123323
513034043122341010021
6150052322320200135
76360060561203630
oct704470122603373
9132112477036365
1031103101110011
119a018297a1987
1235a3ba576904b
131448018840858
1479758065a187
1538e0e2b4235b
hex1c49c14b06fb

31103101110011 has 32 divisors (see below), whose sum is σ = 35944587414528. Its totient is φ = 26361949841280.

The previous prime is 31103101109959. The next prime is 31103101110017. The reversal of 31103101110011 is 11001110130113.

It is a cyclic number.

It is not a de Polignac number, because 31103101110011 - 226 = 31103034001147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103101110017) 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, 2127282281 + ... + 2127296901.

It is an arithmetic number, because the mean of its divisors is an integer number (1123268356704).

Almost surely, 231103101110011 is an apocalyptic number.

31103101110011 is a deficient number, since it is larger than the sum of its proper divisors (4841486304517).

31103101110011 is a wasteful number, since it uses less digits than its factorization.

31103101110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18891.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 31103101110011 its reverse (11001110130113), we get a palindrome (42104211240124).

The spelling of 31103101110011 in words is "thirty-one trillion, one hundred three billion, one hundred one million, one hundred ten thousand, eleven".

Divisors: 1 7 103 721 907 3253 6349 14621 22771 93421 102347 335059 653947 1505963 2345413 2950471 10541741 13261247 20653297 47562113 92828729 303898513 332934791 1365908441 2127289591 4898897639 9561359087 34292283473 43138836491 301971855437 4443300158573 31103101110011