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1105345031 = 71559101287
BaseRepresentation
bin100000111100010…
…0011101000000111
32212000220100022212
41001320203220013
54230432020111
6301403214035
736251164160
oct10170435007
92760810285
101105345031
11517a3609a
1226a21731b
1314800281b
14a6b30767
156708e98b
hex41e23a07

1105345031 has 8 divisors (see below), whose sum is σ = 1264074240. Its totient is φ = 946821528.

The previous prime is 1105345019. The next prime is 1105345039. The reversal of 1105345031 is 1305435011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105345031 - 218 = 1105082887 is a prime.

It is a super-2 number, since 2×11053450312 = 2443575275112781922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105344988 and 1105345006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105345039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39731 + ... + 61556.

It is an arithmetic number, because the mean of its divisors is an integer number (158009280).

Almost surely, 21105345031 is an apocalyptic number.

1105345031 is a deficient number, since it is larger than the sum of its proper divisors (158729209).

1105345031 is a wasteful number, since it uses less digits than its factorization.

1105345031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102853.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1105345031 is about 33246.7296286417. The cubic root of 1105345031 is about 1033.9494052815.

The spelling of 1105345031 in words is "one billion, one hundred five million, three hundred forty-five thousand, thirty-one".

Divisors: 1 7 1559 10913 101287 709009 157906433 1105345031