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213112323223031 = 1033535861336209
BaseRepresentation
bin110000011101001100010100…
…010100101010110111110111
31000221120100011020002112002102
4300131030110110222313313
5210413113014221114111
62033130241050332315
762613600015612521
oct6035142424526767
91027510136075072
10213112323223031
11619a44796a5a91
121ba9a719a2a09b
1391bb53785a77b
143a8a9975c4a11
15199881977b13b
hexc1d31452adf7

213112323223031 has 8 divisors (see below), whose sum is σ = 215790953907360. Its totient is φ = 210445415212032.

The previous prime is 213112323222871. The next prime is 213112323223127. The reversal of 213112323223031 is 130322323211312.

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

It is a cyclic number.

It is not a de Polignac number, because 213112323223031 - 214 = 213112323206647 is a prime.

It is a super-2 number, since 2×2131123232230312 (a number of 29 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 = 213112323222985 and 213112323223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112323222031) 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, 2930631746 + ... + 2930704463.

It is an arithmetic number, because the mean of its divisors is an integer number (26973869238420).

Almost surely, 2213112323223031 is an apocalyptic number.

213112323223031 is a deficient number, since it is larger than the sum of its proper divisors (2678630684329).

213112323223031 is a wasteful number, since it uses less digits than its factorization.

213112323223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861336665.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 213112323223031 its reverse (130322323211312), we get a palindrome (343434646434343).

The spelling of 213112323223031 in words is "two hundred thirteen trillion, one hundred twelve billion, three hundred twenty-three million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 103 353 36359 5861336209 603717629527 2069051681777 213112323223031