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3123313197 = 31041104399
BaseRepresentation
bin1011101000101001…
…1111101000101101
322001200001202020120
42322022133220231
522344032010242
61233531235153
7140253503244
oct27212375055
98050052216
103123313197
111363035484
12731ba8ab9
133aa0cb524
14218b4595b
151343011ec
hexba29fa2d

3123313197 has 4 divisors (see below), whose sum is σ = 4164417600. Its totient is φ = 2082208796.

The previous prime is 3123313139. The next prime is 3123313241. The reversal of 3123313197 is 7913133213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3123313197 - 26 = 3123313133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123313997) 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, 520552197 + ... + 520552202.

It is an arithmetic number, because the mean of its divisors is an integer number (1041104400).

Almost surely, 23123313197 is an apocalyptic number.

It is an amenable number.

3123313197 is a deficient number, since it is larger than the sum of its proper divisors (1041104403).

3123313197 is a wasteful number, since it uses less digits than its factorization.

3123313197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041104402.

The product of its digits is 10206, while the sum is 33.

The square root of 3123313197 is about 55886.6101763204. The cubic root of 3123313197 is about 1461.7457688613.

The spelling of 3123313197 in words is "three billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred ninety-seven".

Divisors: 1 3 1041104399 3123313197