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1120120031 = 7097572087
BaseRepresentation
bin100001011000011…
…1010110011011111
32220001200222211002
41002300322303133
54243222320111
6303052020515
736520602032
oct10260726337
92801628732
101120120031
11525307838
1227316173b
1314b0a6924
14a8a99019
156850c63b
hex42c3acdf

1120120031 has 8 divisors (see below), whose sum is σ = 1123719840. Its totient is φ = 1116527328.

The previous prime is 1120120019. The next prime is 1120120063. The reversal of 1120120031 is 1300210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120120031 is a prime.

It is a super-2 number, since 2×11201200312 = 2509337767694881922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120119994 and 1120120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120120081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535670 + ... + 537756.

It is an arithmetic number, because the mean of its divisors is an integer number (140464980).

Almost surely, 21120120031 is an apocalyptic number.

1120120031 is a deficient number, since it is larger than the sum of its proper divisors (3599809).

1120120031 is an equidigital number, since it uses as much as digits as its factorization.

1120120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1120120031 is about 33468.1943193833. The cubic root of 1120120031 is about 1038.5359178700.

Adding to 1120120031 its reverse (1300210211), we get a palindrome (2420330242).

The spelling of 1120120031 in words is "one billion, one hundred twenty million, one hundred twenty thousand, thirty-one".

Divisors: 1 709 757 2087 536713 1479683 1579859 1120120031