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1130314431 = 3376771477
BaseRepresentation
bin100001101011111…
…0011101010111111
32220202212220220110
41003113303222333
54303330030211
6304054321103
740003341231
oct10327635277
92822786813
101130314431
1153003aa64
12276659193
13150235b0c
14aa190251
1569372ea6
hex435f3abf

1130314431 has 4 divisors (see below), whose sum is σ = 1507085912. Its totient is φ = 753542952.

The previous prime is 1130314403. The next prime is 1130314439. The reversal of 1130314431 is 1344130311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344130311 = 3448043437.

It is not a de Polignac number, because 1130314431 - 27 = 1130314303 is a prime.

It is a super-2 number, since 2×11303144312 = 2555221425853707522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130314398 and 1130314407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130314439) 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, 188385736 + ... + 188385741.

It is an arithmetic number, because the mean of its divisors is an integer number (376771478).

Almost surely, 21130314431 is an apocalyptic number.

1130314431 is a deficient number, since it is larger than the sum of its proper divisors (376771481).

1130314431 is an equidigital number, since it uses as much as digits as its factorization.

1130314431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376771480.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1130314431 is about 33620.1491817035. The cubic root of 1130314431 is about 1041.6770375444.

Adding to 1130314431 its reverse (1344130311), we get a palindrome (2474444742).

The spelling of 1130314431 in words is "one billion, one hundred thirty million, three hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 3 376771477 1130314431