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1131420113 = 19311920917
BaseRepresentation
bin100001101110000…
…0001100111010001
32220211222002121122
41003130001213101
54304120420423
6304134132025
740015624625
oct10334014721
92824862548
101131420113
1153072574a
12276ab1015
13150532175
14aa39b185
15694e08c8
hex437019d1

1131420113 has 8 divisors (see below), whose sum is σ = 1229387520. Its totient is φ = 1037294640.

The previous prime is 1131420041. The next prime is 1131420119. The reversal of 1131420113 is 3110241311.

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 1131420113 - 28 = 1131419857 is a prime.

It is a super-2 number, since 2×11314201132 = 2560222944201865538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1131420091 and 1131420100.

It is not an unprimeable number, because it can be changed into a prime (1131420119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 959870 + ... + 961047.

It is an arithmetic number, because the mean of its divisors is an integer number (153673440).

Almost surely, 21131420113 is an apocalyptic number.

It is an amenable number.

1131420113 is a deficient number, since it is larger than the sum of its proper divisors (97967407).

1131420113 is a wasteful number, since it uses less digits than its factorization.

1131420113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920967.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1131420113 is about 33636.5889025626. The cubic root of 1131420113 is about 1042.0165855994.

Adding to 1131420113 its reverse (3110241311), we get a palindrome (4241661424).

The spelling of 1131420113 in words is "one billion, one hundred thirty-one million, four hundred twenty thousand, one hundred thirteen".

Divisors: 1 19 31 589 1920917 36497423 59548427 1131420113