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1131351032 = 23720202697
BaseRepresentation
bin100001101101111…
…0000101111111000
32220211211120212002
41003123300233320
54304111213112
6304132440132
740015216340
oct10333605770
92824746762
101131351032
11530688859
12276a79048
131505098a6
14aa37dd20
15694ca1c2
hex436f0bf8

1131351032 has 16 divisors (see below), whose sum is σ = 2424323760. Its totient is φ = 484864704.

The previous prime is 1131351031. The next prime is 1131351043. The reversal of 1131351032 is 2301531311.

It is a junction number, because it is equal to n+sod(n) for n = 1131350995 and 1131351013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131351031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10101293 + ... + 10101404.

It is an arithmetic number, because the mean of its divisors is an integer number (151520235).

Almost surely, 21131351032 is an apocalyptic number.

It is an amenable number.

1131351032 is an abundant number, since it is smaller than the sum of its proper divisors (1292972728).

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

1131351032 is a wasteful number, since it uses less digits than its factorization.

1131351032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202710 (or 20202706 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1131351032 is about 33635.5620140351. The cubic root of 1131351032 is about 1041.9953777350.

Adding to 1131351032 its reverse (2301531311), we get a palindrome (3432882343).

The spelling of 1131351032 in words is "one billion, one hundred thirty-one million, three hundred fifty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 20202697 40405394 80810788 141418879 161621576 282837758 565675516 1131351032