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1130230331 = 6827165553
BaseRepresentation
bin100001101011101…
…1111001000111011
32220202201122112122
41003113133020323
54303314332311
6304052431455
740002541106
oct10327371073
92822648478
101130230331
1152aa9285a
1227661858b
13150206759
14aa16b73d
15693580db
hex435df23b

1130230331 has 4 divisors (see below), whose sum is σ = 1130402712. Its totient is φ = 1130057952.

The previous prime is 1130230307. The next prime is 1130230337. The reversal of 1130230331 is 1330320311.

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 1130230331 - 214 = 1130213947 is a prime.

It is a super-2 number, since 2×11302303312 = 2554841202224739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130230337) 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, 75950 + ... + 89603.

It is an arithmetic number, because the mean of its divisors is an integer number (282600678).

Almost surely, 21130230331 is an apocalyptic number.

1130230331 is a deficient number, since it is larger than the sum of its proper divisors (172381).

1130230331 is an equidigital number, since it uses as much as digits as its factorization.

1130230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172380.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1130230331 is about 33618.8984203825. The cubic root of 1130230331 is about 1041.6512018981.

Adding to 1130230331 its reverse (1330320311), we get a palindrome (2460550642).

The spelling of 1130230331 in words is "one billion, one hundred thirty million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 6827 165553 1130230331