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1102342431 = 315116314929
BaseRepresentation
bin100000110110100…
…0110100100011111
32211211020210112110
41001231012210133
54224144424211
6301215005103
736213520221
oct10155064437
92754223473
101102342431
11516275203
12269209793
131474c0c38
14a658c411
1566b99ea6
hex41b4691f

1102342431 has 16 divisors (see below), whose sum is σ = 1488700160. Its totient is φ = 725500800.

The previous prime is 1102342427. The next prime is 1102342447. The reversal of 1102342431 is 1342432011.

It is not a de Polignac number, because 1102342431 - 22 = 1102342427 is a prime.

It is a super-2 number, since 2×11023424312 = 2430317670365979522, 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 = 1102342398 and 1102342407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102342471) 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, 66375 + ... + 81303.

It is an arithmetic number, because the mean of its divisors is an integer number (93043760).

Almost surely, 21102342431 is an apocalyptic number.

1102342431 is a deficient number, since it is larger than the sum of its proper divisors (386357729).

1102342431 is a wasteful number, since it uses less digits than its factorization.

1102342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15246.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1102342431 is about 33201.5425997046. The cubic root of 1102342431 is about 1033.0123368430.

Adding to 1102342431 its reverse (1342432011), we get a palindrome (2444774442).

The spelling of 1102342431 in words is "one billion, one hundred two million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 151 163 453 489 14929 24613 44787 73839 2254279 2433427 6762837 7300281 367447477 1102342431