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1130352431 = 1386950187
BaseRepresentation
bin100001101011111…
…1100111100101111
32220202221212000212
41003113330330233
54303332234211
6304055213035
740003560065
oct10327747457
92822855025
101130352431
1153006656a
1227667717b
1315024a1c0
14aa1a0035
156937e38b
hex435fcf2f

1130352431 has 4 divisors (see below), whose sum is σ = 1217302632. Its totient is φ = 1043402232.

The previous prime is 1130352413. The next prime is 1130352439. The reversal of 1130352431 is 1342530311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130352431 - 214 = 1130336047 is a prime.

It is a super-2 number, since 2×11303524312 = 2555393236535219522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130352397 and 1130352406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130352439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43475081 + ... + 43475106.

It is an arithmetic number, because the mean of its divisors is an integer number (304325658).

Almost surely, 21130352431 is an apocalyptic number.

1130352431 is a deficient number, since it is larger than the sum of its proper divisors (86950201).

1130352431 is an equidigital number, since it uses as much as digits as its factorization.

1130352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86950200.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1130352431 is about 33620.7143142438. The cubic root of 1130352431 is about 1041.6887107811.

Adding to 1130352431 its reverse (1342530311), we get a palindrome (2472882742).

The spelling of 1130352431 in words is "one billion, one hundred thirty million, three hundred fifty-two thousand, four hundred thirty-one".

Divisors: 1 13 86950187 1130352431