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1120198931 is a prime number
BaseRepresentation
bin100001011000100…
…1110000100010011
32220001212000001022
41002301032010103
54243232331211
6303053430055
736521351045
oct10261160423
92801760038
101120198931
11525361045
1227319b32b
1314b103807
14a8ab9a95
1568525bdb
hex42c4e113

1120198931 has 2 divisors, whose sum is σ = 1120198932. Its totient is φ = 1120198930.

The previous prime is 1120198897. The next prime is 1120198949. The reversal of 1120198931 is 1398910211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1398910211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120198931 - 218 = 1119936787 is a prime.

It is a super-2 number, since 2×11201989312 = 2509691290027085522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1120198891 and 1120198900.

It is not a weakly prime, because it can be changed into another prime (1120198991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560099465 + 560099466.

It is an arithmetic number, because the mean of its divisors is an integer number (560099466).

Almost surely, 21120198931 is an apocalyptic number.

1120198931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120198931 is an equidigital number, since it uses as much as digits as its factorization.

1120198931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 1120198931 is about 33469.3730296819. The cubic root of 1120198931 is about 1038.5603017329.

The spelling of 1120198931 in words is "one billion, one hundred twenty million, one hundred ninety-eight thousand, nine hundred thirty-one".