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1120000031 is a prime number
BaseRepresentation
bin100001011000001…
…1101100000011111
32220001110220012122
41002300131200133
54243210000111
6303045253155
736516562133
oct10260354037
92801426178
101120000031
11525235667
122731041bb
1314b064117
14a8a673c3
15684d6cdb
hex42c1d81f

1120000031 has 2 divisors, whose sum is σ = 1120000032. Its totient is φ = 1120000030.

The previous prime is 1119999983. The next prime is 1120000033. The reversal of 1120000031 is 1300000211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120000031 is a prime.

It is a super-2 number, since 2×11200000312 = 2508800138880001922, which contains 22 as substring.

Together with 1120000033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1119999973 and 1120000018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120000033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560000015 + 560000016.

It is an arithmetic number, because the mean of its divisors is an integer number (560000016).

Almost surely, 21120000031 is an apocalyptic number.

1120000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120000031 is an equidigital number, since it uses as much as digits as its factorization.

1120000031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1120000031 is about 33466.4015245141. The cubic root of 1120000031 is about 1038.4988299516.

Adding to 1120000031 its reverse (1300000211), we get a palindrome (2420000242).

The spelling of 1120000031 in words is "one billion, one hundred twenty million, thirty-one", and thus it is an aban number.