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1131420341 = 19161936781
BaseRepresentation
bin100001101110000…
…0001101010110101
32220211222002221002
41003130001222311
54304120422331
6304134133045
740015625402
oct10334015265
92824862832
101131420341
11530725937
12276ab1185
131505322bc
14aa39b2a9
15694e09cb
hex43701ab5

1131420341 has 8 divisors (see below), whose sum is σ = 1191736800. Its totient is φ = 1071180720.

The previous prime is 1131420337. The next prime is 1131420349. The reversal of 1131420341 is 1430241311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131420341 - 22 = 1131420337 is a prime.

It is a super-2 number, since 2×11314203412 = 2560223976057112562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131420349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12371 + ... + 49151.

It is an arithmetic number, because the mean of its divisors is an integer number (148967100).

Almost surely, 21131420341 is an apocalyptic number.

It is an amenable number.

1131420341 is a deficient number, since it is larger than the sum of its proper divisors (60316459).

1131420341 is a wasteful number, since it uses less digits than its factorization.

1131420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38419.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1131420341 is about 33636.5922917290. The cubic root of 1131420341 is about 1042.0166555939.

Adding to 1131420341 its reverse (1430241311), we get a palindrome (2561661652).

The spelling of 1131420341 in words is "one billion, one hundred thirty-one million, four hundred twenty thousand, three hundred forty-one".

Divisors: 1 19 1619 30761 36781 698839 59548439 1131420341