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1103431230 = 2325111114577
BaseRepresentation
bin100000111000101…
…0000011000111110
32211220022010002100
41001301100120332
54224434244410
6301254205530
736226003446
oct10161203076
92756263070
101103431230
11516949240
122696538a6
131477b26b5
14a6793126
1566d128c0
hex41c5063e

1103431230 has 48 divisors (see below), whose sum is σ = 3129735024. Its totient is φ = 267498240.

The previous prime is 1103431193. The next prime is 1103431243. The reversal of 1103431230 is 321343011.

1103431230 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 431 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 556299 + ... + 558278.

It is an arithmetic number, because the mean of its divisors is an integer number (65202813).

Almost surely, 21103431230 is an apocalyptic number.

1103431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103431230 is an abundant number, since it is smaller than the sum of its proper divisors (2026303794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103431230 is a wasteful number, since it uses less digits than its factorization.

1103431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114601 (or 1114598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103431230 is about 33217.9353663048. The cubic root of 1103431230 is about 1033.3523318278.

Adding to 1103431230 its reverse (321343011), we get a palindrome (1424774241).

The spelling of 1103431230 in words is "one billion, one hundred three million, four hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 1114577 2229154 3343731 5572885 6687462 10031193 11145770 12260347 16718655 20062386 24520694 33437310 36781041 50155965 61301735 73562082 100311930 110343123 122603470 183905205 220686246 367810410 551715615 1103431230