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3220112431 is a prime number
BaseRepresentation
bin1011111111101111…
…0000010000101111
322022102012122211101
42333323300100233
523043322044211
61251310103531
7142540334614
oct27773602057
98272178741
103220112431
111402740148
1275a4aaba7
133c4191193
1422794250b
1513ca725c1
hexbfef042f

3220112431 has 2 divisors, whose sum is σ = 3220112432. Its totient is φ = 3220112430.

The previous prime is 3220112429. The next prime is 3220112449. The reversal of 3220112431 is 1342110223.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3220112431 - 21 = 3220112429 is a prime.

It is a super-2 number, since 2×32201124312 = 20738248136561459522, which contains 22 as substring.

Together with 3220112429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3220112399 and 3220112408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220112531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610056215 + 1610056216.

It is an arithmetic number, because the mean of its divisors is an integer number (1610056216).

Almost surely, 23220112431 is an apocalyptic number.

3220112431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220112431 is an equidigital number, since it uses as much as digits as its factorization.

3220112431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3220112431 is about 56746.0344958130. The cubic root of 3220112431 is about 1476.6934385017.

Adding to 3220112431 its reverse (1342110223), we get a palindrome (4562222654).

The spelling of 3220112431 in words is "three billion, two hundred twenty million, one hundred twelve thousand, four hundred thirty-one".