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211130321121031 = 1337438940376551
BaseRepresentation
bin110000000000010110011011…
…110010101010111100000111
31000200112212021002110121202011
4300000112123302222330013
5210133124344201333111
62025011532554555051
762320443114663334
oct6000263362527407
91020485232417664
10211130321121031
11612aa959131374
121b81a579438a87
1390a6671c6bcb0
143a1ca9517598b
151961eb688e021
hexc0059bcaaf07

211130321121031 has 8 divisors (see below), whose sum is σ = 233516280325664. Its totient is φ = 189622242669600.

The previous prime is 211130321121011. The next prime is 211130321121079. The reversal of 211130321121031 is 130121123031112.

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

It is a de Polignac number, because none of the positive numbers 2k-211130321121031 is a prime.

It is a super-2 number, since 2×2111303211210312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211130321120993 and 211130321121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130321121011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219470187795 + ... + 219470188756.

It is an arithmetic number, because the mean of its divisors is an integer number (29189535040708).

Almost surely, 2211130321121031 is an apocalyptic number.

211130321121031 is a deficient number, since it is larger than the sum of its proper divisors (22385959204633).

211130321121031 is a wasteful number, since it uses less digits than its factorization.

211130321121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438940376601.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 211130321121031 its reverse (130121123031112), we get a palindrome (341251444152143).

The spelling of 211130321121031 in words is "two hundred eleven trillion, one hundred thirty billion, three hundred twenty-one million, one hundred twenty-one thousand, thirty-one".

Divisors: 1 13 37 481 438940376551 5706224895163 16240793932387 211130321121031