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21233032310031 = 37741791422781
BaseRepresentation
bin1001101001111101100110…
…10110010010110100001111
32210011212011112021211101020
410310332303112102310033
510240340222232410111
6113054153111445223
74321015222515543
oct464766326226417
983155145254336
1021233032310031
116846973216603
12246b12b686813
13bb036024b609
14535981807a23
1526c4be9c2906
hex134fb3592d0f

21233032310031 has 8 divisors (see below), whose sum is σ = 28311075747504. Its totient is φ = 14155171872960.

The previous prime is 21233032310011. The next prime is 21233032310051. The reversal of 21233032310031 is 13001323033212.

It is an interprime number because it is at equal distance from previous prime (21233032310011) and next prime (21233032310051).

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

It is not a de Polignac number, because 21233032310031 - 27 = 21233032309903 is a prime.

It is a super-2 number, since 2×212330323100312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21233032309983 and 21233032310010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233032310011) 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, 45479140 + ... + 45943641.

It is an arithmetic number, because the mean of its divisors is an integer number (3538884468438).

Almost surely, 221233032310031 is an apocalyptic number.

21233032310031 is a deficient number, since it is larger than the sum of its proper divisors (7078043437473).

21233032310031 is an equidigital number, since it uses as much as digits as its factorization.

21233032310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91500201.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21233032310031 its reverse (13001323033212), we get a palindrome (34234355343243).

The spelling of 21233032310031 in words is "twenty-one trillion, two hundred thirty-three billion, thirty-two million, three hundred ten thousand, thirty-one".

Divisors: 1 3 77417 232251 91422781 274268343 7077677436677 21233032310031