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10213233231 = 33404411077
BaseRepresentation
bin10011000001100000…
…11001001001001111
3222100210000000010110
421200300121021033
5131404041430411
64405241011103
7511044023115
oct114060311117
928323000113
1010213233231
114371116323
121b90483a93
13c69c28b96
146cc5cbab5
153eb97d2a6
hex260c1924f

10213233231 has 4 divisors (see below), whose sum is σ = 13617644312. Its totient is φ = 6808822152.

The previous prime is 10213233223. The next prime is 10213233269. The reversal of 10213233231 is 13233231201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10213233231 - 23 = 10213233223 is a prime.

It is a super-2 number, since 2×102132332312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213233198 and 10213233207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213233271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702205536 + ... + 1702205541.

It is an arithmetic number, because the mean of its divisors is an integer number (3404411078).

Almost surely, 210213233231 is an apocalyptic number.

10213233231 is a deficient number, since it is larger than the sum of its proper divisors (3404411081).

10213233231 is an equidigital number, since it uses as much as digits as its factorization.

10213233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404411080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 10213233231 its reverse (13233231201), we get a palindrome (23446464432).

The spelling of 10213233231 in words is "ten billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 3 3404411077 10213233231