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103122123331 = 246193418867
BaseRepresentation
bin110000000001010001…
…1101011101001000011
3100212011202110122022011
41200002203223221003
53142143230421311
6115212412553351
710310314404613
oct1400243535103
9325152418264
10103122123331
113a808828617
1217b9b482857
1399555b24b6
144dc3976a43
152a383a3321
hex18028eba43

103122123331 has 4 divisors (see below), whose sum is σ = 103122788392. Its totient is φ = 103121458272.

The previous prime is 103122123283. The next prime is 103122123347. The reversal of 103122123331 is 133321221301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133321221301 = 198136728977.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103122123331 is a prime.

It is a super-2 number, since 2×1031221233312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103122123031) 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, 36760 + ... + 455626.

It is an arithmetic number, because the mean of its divisors is an integer number (25780697098).

Almost surely, 2103122123331 is an apocalyptic number.

103122123331 is a deficient number, since it is larger than the sum of its proper divisors (665061).

103122123331 is an equidigital number, since it uses as much as digits as its factorization.

103122123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665060.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103122123331 its reverse (133321221301), we get a palindrome (236443344632).

The spelling of 103122123331 in words is "one hundred three billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 246193 418867 103122123331