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131122442111 is a prime number
BaseRepresentation
bin111101000011110000…
…0011010111101111111
3110112110011000012201212
41322013200122331333
54122014321121421
6140123052555035
712321223240223
oct1720740327577
9415404005655
10131122442111
1150677222541
12214b4782a7b
13c4985b236b
1464bc5aa783
15362667de5b
hex1e8781af7f

131122442111 has 2 divisors, whose sum is σ = 131122442112. Its totient is φ = 131122442110.

The previous prime is 131122442057. The next prime is 131122442159. The reversal of 131122442111 is 111244221131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131122442111 - 226 = 131055333247 is a prime.

It is a super-2 number, since 2×1311224421112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131122442611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561221055 + 65561221056.

It is an arithmetic number, because the mean of its divisors is an integer number (65561221056).

Almost surely, 2131122442111 is an apocalyptic number.

131122442111 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122442111 is an equidigital number, since it uses as much as digits as its factorization.

131122442111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

Adding to 131122442111 its reverse (111244221131), we get a palindrome (242366663242).

The spelling of 131122442111 in words is "one hundred thirty-one billion, one hundred twenty-two million, four hundred forty-two thousand, one hundred eleven".