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3120131122 = 21560065561
BaseRepresentation
bin1011100111111001…
…0110110000110010
322001110002002020221
42321332112300302
522342223143442
61233335123254
7140214451123
oct27176266062
98043062227
103120131122
111361261769
12730b1352a
133a9556044
1421855804a
15133dc3467
hexb9f96c32

3120131122 has 4 divisors (see below), whose sum is σ = 4680196686. Its totient is φ = 1560065560.

The previous prime is 3120131071. The next prime is 3120131123. The reversal of 3120131122 is 2211310213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211310213 = 7315901459.

It can be written as a sum of positive squares in only one way, i.e., 3059306721 + 60824401 = 55311^2 + 7799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3120131096 and 3120131105.

It is not an unprimeable number, because it can be changed into a prime (3120131123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780032779 + ... + 780032782.

Almost surely, 23120131122 is an apocalyptic number.

3120131122 is a deficient number, since it is larger than the sum of its proper divisors (1560065564).

3120131122 is a wasteful number, since it uses less digits than its factorization.

3120131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560065563.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3120131122 is about 55858.1338929256. The cubic root of 3120131122 is about 1461.2491845292.

Adding to 3120131122 its reverse (2211310213), we get a palindrome (5331441335).

The spelling of 3120131122 in words is "three billion, one hundred twenty million, one hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 1560065561 3120131122