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1131331124 = 227112333923
BaseRepresentation
bin100001101101110…
…1011111000110100
32220211210120112202
41003123223320310
54304110043444
6304132204032
740015104320
oct10333537064
92824716482
101131331124
11530674900
12276a69618
13150500801
14aa376980
15694c434e
hex436ebe34

1131331124 has 36 divisors (see below), whose sum is σ = 2487065952. Its totient is φ = 440777040.

The previous prime is 1131331099. The next prime is 1131331133. The reversal of 1131331124 is 4211331311.

It is a super-2 number, since 2×11313311242 = 2559820224262206752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131331096 and 1131331105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163574 + ... + 170349.

Almost surely, 21131331124 is an apocalyptic number.

1131331124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1131331124 is an abundant number, since it is smaller than the sum of its proper divisors (1355734828).

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

1131331124 is a wasteful number, since it uses less digits than its factorization.

1131331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333956 (or 333943 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1131331124 is about 33635.2660759507. The cubic root of 1131331124 is about 1041.9892658195.

Adding to 1131331124 its reverse (4211331311), we get a palindrome (5342662435).

The spelling of 1131331124 in words is "one billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 3388 333923 667846 1335692 2337461 3673153 4674922 7346306 9349844 14692612 25712071 40404683 51424142 80809366 102848284 161618732 282832781 565665562 1131331124