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1033220131 = 4125200491
BaseRepresentation
bin111101100101011…
…011000000100011
32200000012000120021
4331211123000203
54104001021011
6250305254311
734414140406
oct7545330043
92600160507
101033220131
11490253639
1224a034397
1313609ba78
149b317d3d
1560a94471
hex3d95b023

1033220131 has 4 divisors (see below), whose sum is σ = 1058420664. Its totient is φ = 1008019600.

The previous prime is 1033220119. The next prime is 1033220137. The reversal of 1033220131 is 1310223301.

1033220131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1033220131 - 27 = 1033220003 is a prime.

It is a super-2 number, since 2×10332201312 = 2135087678207314322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1033220137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12600205 + ... + 12600286.

It is an arithmetic number, because the mean of its divisors is an integer number (264605166).

Almost surely, 21033220131 is an apocalyptic number.

1033220131 is a deficient number, since it is larger than the sum of its proper divisors (25200533).

1033220131 is an equidigital number, since it uses as much as digits as its factorization.

1033220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25200532.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1033220131 is about 32143.7417081459. The cubic root of 1033220131 is about 1010.9529714166.

Adding to 1033220131 its reverse (1310223301), we get a palindrome (2343443432).

The spelling of 1033220131 in words is "one billion, thirty-three million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 41 25200491 1033220131