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2120110131 = 3706703377
BaseRepresentation
bin111111001011110…
…0101000000110011
312110202100202100110
41332113211000303
513320222011011
6550213152403
7103352432046
oct17627450063
95422322313
102120110131
11998824137
124b202b703
1327a30c449
14161802c5d
15c61daba6
hex7e5e5033

2120110131 has 4 divisors (see below), whose sum is σ = 2826813512. Its totient is φ = 1413406752.

The previous prime is 2120110129. The next prime is 2120110133. The reversal of 2120110131 is 1310110212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2120110129) and next prime (2120110133).

It is not a de Polignac number, because 2120110131 - 21 = 2120110129 is a prime.

It is a super-2 number, since 2×21201101312 = 8989733935137674322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120110133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353351686 + ... + 353351691.

It is an arithmetic number, because the mean of its divisors is an integer number (706703378).

Almost surely, 22120110131 is an apocalyptic number.

2120110131 is a deficient number, since it is larger than the sum of its proper divisors (706703381).

2120110131 is an equidigital number, since it uses as much as digits as its factorization.

2120110131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706703380.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2120110131 is about 46044.6536635905. The cubic root of 2120110131 is about 1284.6539022595.

Adding to 2120110131 its reverse (1310110212), we get a palindrome (3430220343).

The spelling of 2120110131 in words is "two billion, one hundred twenty million, one hundred ten thousand, one hundred thirty-one".

Divisors: 1 3 706703377 2120110131