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1030120231311 = 323110136556309
BaseRepresentation
bin11101111110101111111…
…00110101000110001111
310122110220211221201012200
432333113330311012033
5113334141234400221
62105121455332543
7134265224331333
oct16772774650617
93573824851180
101030120231311
11367965019546
12147789221153
13761a8538c12
1437c0282b7c3
151bbe0bde426
hexefd7f3518f

1030120231311 has 24 divisors (see below), whose sum is σ = 1551157345920. Its totient is φ = 658013544000.

The previous prime is 1030120231277. The next prime is 1030120231319. The reversal of 1030120231311 is 1131320210301.

1030120231311 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 120 + 231 + 311 = 666.

It is not a de Polignac number, because 1030120231311 - 211 = 1030120229263 is a prime.

It is a super-2 number, since 2×10301202313112 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030120231319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18249976 + ... + 18306333.

It is an arithmetic number, because the mean of its divisors is an integer number (64631556080).

Almost surely, 21030120231311 is an apocalyptic number.

1030120231311 is a deficient number, since it is larger than the sum of its proper divisors (521037114609).

1030120231311 is a wasteful number, since it uses less digits than its factorization.

1030120231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36556447 (or 36556444 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1030120231311 its reverse (1131320210301), we get a palindrome (2161440441612).

The spelling of 1030120231311 in words is "one trillion, thirty billion, one hundred twenty million, two hundred thirty-one thousand, three hundred eleven".

Divisors: 1 3 9 31 93 101 279 303 909 3131 9393 28179 36556309 109668927 329006781 1133245579 3399736737 3692187209 10199210211 11076561627 33229684881 114457803479 343373410437 1030120231311