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1231022132203 = 191312718772081
BaseRepresentation
bin10001111010011110101…
…000110000101111101011
311100200111001022201010211
4101322132220300233223
5130132113131212303
62341305044321551
7154636606322113
oct21723650605753
94320431281124
101231022132203
114350899a0186
1217a6b69a32b7
138c114668a56
1443820602043
152204d41866d
hex11e9ea30beb

1231022132203 has 32 divisors (see below), whose sum is σ = 1312647367680. Its totient is φ = 1151190144000.

The previous prime is 1231022132201. The next prime is 1231022132237. The reversal of 1231022132203 is 3022312201321.

It is a cyclic number.

It is not a de Polignac number, because 1231022132203 - 21 = 1231022132201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231022132201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591552123 + ... + 591554203.

It is an arithmetic number, because the mean of its divisors is an integer number (41020230240).

Almost surely, 21231022132203 is an apocalyptic number.

1231022132203 is a deficient number, since it is larger than the sum of its proper divisors (81625235477).

1231022132203 is a wasteful number, since it uses less digits than its factorization.

1231022132203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1231022132203 its reverse (3022312201321), we get a palindrome (4253334333524).

The spelling of 1231022132203 in words is "one trillion, two hundred thirty-one billion, twenty-two million, one hundred thirty-two thousand, two hundred three".

Divisors: 1 19 131 271 877 2081 2489 5149 16663 35501 39539 114887 237667 272611 563951 674519 1825037 2182853 4515673 5179609 10715069 31134377 34675703 73877581 239079847 494585027 591553163 1403674039 4542517093 9397115513 64790638537 1231022132203