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1112110231 is a prime number
BaseRepresentation
bin100001001001001…
…0111010010010111
32212111122001102211
41002102113102113
54234200011411
6302204214251
736362531611
oct10222272227
92774561384
101112110231
11520836971
1227053a387
13149530bbb
14a79b1db1
1567979221
hex42497497

1112110231 has 2 divisors, whose sum is σ = 1112110232. Its totient is φ = 1112110230.

The previous prime is 1112110211. The next prime is 1112110249. The reversal of 1112110231 is 1320112111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112110231 is a prime.

It is a super-2 number, since 2×11121102312 = 2473578331789746722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112110211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556055115 + 556055116.

It is an arithmetic number, because the mean of its divisors is an integer number (556055116).

Almost surely, 21112110231 is an apocalyptic number.

1112110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112110231 is an equidigital number, since it uses as much as digits as its factorization.

1112110231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1112110231 is about 33348.3167641187. The cubic root of 1112110231 is about 1036.0545254244.

Adding to 1112110231 its reverse (1320112111), we get a palindrome (2432222342).

The spelling of 1112110231 in words is "one billion, one hundred twelve million, one hundred ten thousand, two hundred thirty-one".