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130123103311 = 205336337267
BaseRepresentation
bin111100100101111110…
…0001111110001001111
3110102212111120112121201
41321023330033301033
54112443003301221
6135435553410331
712254400062065
oct1711374176117
9412774515551
10130123103311
1150204110503
1221275b699a7
13c369547126
146425992035
1535b8a7d891
hex1e4bf0fc4f

130123103311 has 4 divisors (see below), whose sum is σ = 130129461112. Its totient is φ = 130116745512.

The previous prime is 130123103287. The next prime is 130123103323. The reversal of 130123103311 is 113301321031.

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 130123103311 - 219 = 130122579023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123103381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148101 + ... + 3189166.

It is an arithmetic number, because the mean of its divisors is an integer number (32532365278).

Almost surely, 2130123103311 is an apocalyptic number.

130123103311 is a deficient number, since it is larger than the sum of its proper divisors (6357801).

130123103311 is an equidigital number, since it uses as much as digits as its factorization.

130123103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357800.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 130123103311 its reverse (113301321031), we get a palindrome (243424424342).

The spelling of 130123103311 in words is "one hundred thirty billion, one hundred twenty-three million, one hundred three thousand, three hundred eleven".

Divisors: 1 20533 6337267 130123103311