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1102103431 = 111375710181
BaseRepresentation
bin100000110110000…
…1100001110000111
32211210210122200121
41001230030032013
54224114302211
6301205522411
736211503352
oct10154141607
92753718617
101102103431
11516121690
12269113407
13147439210
14a6529299
1566b4e271
hex41b0c387

1102103431 has 16 divisors (see below), whose sum is σ = 1296616608. Its totient is φ = 923529600.

The previous prime is 1102103407. The next prime is 1102103441. The reversal of 1102103431 is 1343012011.

It is a cyclic number.

It is not a de Polignac number, because 1102103431 - 211 = 1102101383 is a prime.

It is a super-2 number, since 2×11021034312 = 2429263945243943522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102103441) 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 15 ways as a sum of consecutive naturals, for example, 103161 + ... + 113341.

It is an arithmetic number, because the mean of its divisors is an integer number (81038538).

Almost surely, 21102103431 is an apocalyptic number.

1102103431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102103431 is a deficient number, since it is larger than the sum of its proper divisors (194513177).

1102103431 is a wasteful number, since it uses less digits than its factorization.

1102103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10962.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1102103431 is about 33197.9431742390. The cubic root of 1102103431 is about 1032.9376752900.

Adding to 1102103431 its reverse (1343012011), we get a palindrome (2445115442).

The spelling of 1102103431 in words is "one billion, one hundred two million, one hundred three thousand, four hundred thirty-one".

Divisors: 1 11 13 143 757 8327 9841 10181 108251 111991 132353 1455883 7707017 84777187 100191221 1102103431