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3123231011103 = 37148725286243
BaseRepresentation
bin101101011100101111000…
…100110011000100011111
3102001120121100011020221110
4231130233010303010133
5402132334114323403
610350443103433103
7441434401365660
oct55345704630437
912046540136843
103123231011103
11aa4611535305
124253778b5793
1319869a223058
14ab2453bb367
15563981c1103
hex2d72f13311f

3123231011103 has 8 divisors (see below), whose sum is σ = 4759209159808. Its totient is φ = 1784703434904.

The previous prime is 3123231011101. The next prime is 3123231011123. The reversal of 3123231011103 is 3011101323213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3123231011103 - 21 = 3123231011101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 148725286243 = 3123231011103 / (3 + 1 + 2 + 3 + 2 + 3 + 1 + 0 + 1 + 1 + 1 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3123231011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123231011101) 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 7 ways as a sum of consecutive naturals, for example, 74362643101 + ... + 74362643142.

It is an arithmetic number, because the mean of its divisors is an integer number (594901144976).

Almost surely, 23123231011103 is an apocalyptic number.

3123231011103 is a deficient number, since it is larger than the sum of its proper divisors (1635978148705).

3123231011103 is a wasteful number, since it uses less digits than its factorization.

3123231011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148725286253.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3123231011103 its reverse (3011101323213), we get a palindrome (6134332334316).

The spelling of 3123231011103 in words is "three trillion, one hundred twenty-three billion, two hundred thirty-one million, eleven thousand, one hundred three".

Divisors: 1 3 7 21 148725286243 446175858729 1041077003701 3123231011103