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105310443031 = 1741199775659
BaseRepresentation
bin110001000010011111…
…1011101011000010111
3101001211021011210120221
41202010333131120113
53211133433134111
6120213504135211
710415455665463
oct1420477353027
9331737153527
10105310443031
1140730aaa5a2
12184b0307507
139c13a84521
1451504534a3
152b15564371
hex1884fdd617

105310443031 has 16 divisors (see below), whose sum is σ = 114283522080. Its totient is φ = 96648555520.

The previous prime is 105310443011. The next prime is 105310443037. The reversal of 105310443031 is 130344013501.

It is a cyclic number.

It is not a de Polignac number, because 105310443031 - 27 = 105310442903 is a prime.

It is a super-2 number, since 2×1053104430312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105310442987 and 105310443005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105310443037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354080 + ... + 1429738.

It is an arithmetic number, because the mean of its divisors is an integer number (7142720130).

Almost surely, 2105310443031 is an apocalyptic number.

105310443031 is a deficient number, since it is larger than the sum of its proper divisors (8973079049).

105310443031 is a wasteful number, since it uses less digits than its factorization.

105310443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77714.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 105310443031 its reverse (130344013501), we get a palindrome (235654456532).

The spelling of 105310443031 in words is "one hundred five billion, three hundred ten million, four hundred forty-three thousand, thirty-one".

Divisors: 1 17 41 697 1997 33949 75659 81877 1286203 1391909 3102019 52734323 151091023 2568547391 6194731943 105310443031