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2212321120331 = 72231963017853
BaseRepresentation
bin100000001100011000100…
…111010101000001001011
321211111101110111022002112
4200030120213111001023
5242221313201322311
64412154251252535
7315556244151500
oct40143047250113
97744343438075
102212321120331
11783270663063
122b8919a4a14b
1313080c3cc19a
147911109d4a7
153c832ea428b
hex203189d504b

2212321120331 has 12 divisors (see below), whose sum is σ = 2685408424272. Its totient is φ = 1813828495248.

The previous prime is 2212321120309. The next prime is 2212321120333. The reversal of 2212321120331 is 1330211232122.

It is not a de Polignac number, because 2212321120331 - 226 = 2212254011467 is a prime.

It is a super-2 number, since 2×22123211203312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2212321120297 and 2212321120306.

It is not an unprimeable number, because it can be changed into a prime (2212321120333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981507800 + ... + 981510053.

It is an arithmetic number, because the mean of its divisors is an integer number (223784035356).

Almost surely, 22212321120331 is an apocalyptic number.

2212321120331 is a deficient number, since it is larger than the sum of its proper divisors (473087303941).

2212321120331 is a wasteful number, since it uses less digits than its factorization.

2212321120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963017890 (or 1963017883 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2212321120331 its reverse (1330211232122), we get a palindrome (3542532352453).

The spelling of 2212321120331 in words is "two trillion, two hundred twelve billion, three hundred twenty-one million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 7 23 49 161 1127 1963017853 13741124971 45149410619 96187874797 316045874333 2212321120331