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1230032221231 = 111760110944613
BaseRepresentation
bin10001111001100011101…
…000100011010000101111
311100120221001122000120111
4101321203220203100233
5130123101222034411
62341022523200451
7154603226241232
oct21714350432057
94316831560514
101230032221231
11434721138440
1217a47b376127
138bcb7551b08
1443768d5d419
1521ee157b721
hex11e63a2342f

1230032221231 has 16 divisors (see below), whose sum is σ = 1423150047648. Its totient is φ = 1050682752000.

The previous prime is 1230032221169. The next prime is 1230032221247. The reversal of 1230032221231 is 1321222300321.

It is a cyclic number.

It is not a de Polignac number, because 1230032221231 - 223 = 1230023832623 is a prime.

It is a super-2 number, since 2×12300322212312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230032221261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5359920 + ... + 5584693.

It is an arithmetic number, because the mean of its divisors is an integer number (88946877978).

Almost surely, 21230032221231 is an apocalyptic number.

1230032221231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1230032221231 is a deficient number, since it is larger than the sum of its proper divisors (193117826417).

1230032221231 is a wasteful number, since it uses less digits than its factorization.

1230032221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945242.

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

Adding to 1230032221231 its reverse (1321222300321), we get a palindrome (2551254521552).

The spelling of 1230032221231 in words is "one trillion, two hundred thirty billion, thirty-two million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 11 17 187 601 6611 10217 112387 10944613 120390743 186058421 2046642631 6577712413 72354836543 111821111021 1230032221231