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3133013123 = 4375971597
BaseRepresentation
bin1011101010111101…
…1111110010000011
322002100022120001002
42322233133302003
522404022404443
61234515202215
7140432113022
oct27257376203
98070276032
103133013123
111368560149
127352a636b
133ac116626
1421a14c8b9
151350ba2b8
hexbabdfc83

3133013123 has 4 divisors (see below), whose sum is σ = 3133128480. Its totient is φ = 3132897768.

The previous prime is 3133013119. The next prime is 3133013129. The reversal of 3133013123 is 3213103313.

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.

It is a cyclic number.

It is not a de Polignac number, because 3133013123 - 22 = 3133013119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3133013095 and 3133013104.

It is not an unprimeable number, because it can be changed into a prime (3133013129) 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, 7961 + ... + 79557.

It is an arithmetic number, because the mean of its divisors is an integer number (783282120).

Almost surely, 23133013123 is an apocalyptic number.

3133013123 is a deficient number, since it is larger than the sum of its proper divisors (115357).

3133013123 is an equidigital number, since it uses as much as digits as its factorization.

3133013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115356.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3133013123 is about 55973.3251022306. The cubic root of 3133013123 is about 1463.2574299296.

Adding to 3133013123 its reverse (3213103313), we get a palindrome (6346116436).

The spelling of 3133013123 in words is "three billion, one hundred thirty-three million, thirteen thousand, one hundred twenty-three".

Divisors: 1 43759 71597 3133013123