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2031321041 = 17254946877
BaseRepresentation
bin111100100010011…
…0111111111010001
312020120021210121122
41321010313333101
513130004233131
6533322132025
7101223641531
oct17104677721
95216253548
102031321041
1195269a622
12488351015
13264ac2719
14153acd4c1
15bd4ecd7b
hex79137fd1

2031321041 has 8 divisors (see below), whose sum is σ = 2151700200. Its totient is φ = 1911040768.

The previous prime is 2031321031. The next prime is 2031321043. The reversal of 2031321041 is 1401231302.

It can be written as a sum of positive squares in 4 ways, for example, as 449270416 + 1582050625 = 21196^2 + 39775^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2031321041 - 226 = 1964212177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2031321043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19895 + ... + 66771.

It is an arithmetic number, because the mean of its divisors is an integer number (268962525).

Almost surely, 22031321041 is an apocalyptic number.

It is an amenable number.

2031321041 is a deficient number, since it is larger than the sum of its proper divisors (120379159).

2031321041 is a wasteful number, since it uses less digits than its factorization.

2031321041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49443.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2031321041 is about 45070.1790655418. The cubic root of 2031321041 is about 1266.4640188815.

Adding to 2031321041 its reverse (1401231302), we get a palindrome (3432552343).

The spelling of 2031321041 in words is "two billion, thirty-one million, three hundred twenty-one thousand, forty-one".

Divisors: 1 17 2549 43333 46877 796909 119489473 2031321041