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1131102330 = 235341311047
BaseRepresentation
bin100001101101011…
…0100000001111010
32220211100221200220
41003122310001322
54304030233310
6304123240510
740013132301
oct10332640172
92824327626
101131102330
11530528a16
12276979136
13150450627
14aa317438
156947b670
hex436b407a

1131102330 has 32 divisors (see below), whose sum is σ = 2715686784. Its totient is φ = 301511616.

The previous prime is 1131102317. The next prime is 1131102347. The reversal of 1131102330 is 332011311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96867 + ... + 107913.

It is an arithmetic number, because the mean of its divisors is an integer number (84865212).

Almost surely, 21131102330 is an apocalyptic number.

1131102330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131102330 is an abundant number, since it is smaller than the sum of its proper divisors (1584584454).

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

1131102330 is a wasteful number, since it uses less digits than its factorization.

1131102330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1131102330 is about 33631.8648011079. The cubic root of 1131102330 is about 1041.9190190810.

Adding to 1131102330 its reverse (332011311), we get a palindrome (1463113641).

It can be divided in two parts, 113110 and 2330, that added together give a triangular number (115440 = T480).

The spelling of 1131102330 in words is "one billion, one hundred thirty-one million, one hundred two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3413 6826 10239 11047 17065 20478 22094 33141 34130 51195 55235 66282 102390 110470 165705 331410 37703411 75406822 113110233 188517055 226220466 377034110 565551165 1131102330