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11232223131 = 329129106013
BaseRepresentation
bin10100111010111111…
…00001111110011011
31001222210102001111010
422131133201332123
5141000422120011
65054321305003
7545226215133
oct123537417633
931883361433
1011232223131
11484432a538
122215795163
1310a008479c
14787a7dac3
1545b1611a6
hex29d7e1f9b

11232223131 has 8 divisors (see below), whose sum is σ = 15492721680. Its totient is φ = 7229936672.

The previous prime is 11232223127. The next prime is 11232223133. The reversal of 11232223131 is 13132223211.

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 11232223131 - 22 = 11232223127 is a prime.

It is a super-2 number, since 2×112322231312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11232223098 and 11232223107.

It is not an unprimeable number, because it can be changed into a prime (11232223133) 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, 64552920 + ... + 64553093.

It is an arithmetic number, because the mean of its divisors is an integer number (1936590210).

Almost surely, 211232223131 is an apocalyptic number.

11232223131 is a deficient number, since it is larger than the sum of its proper divisors (4260498549).

11232223131 is a wasteful number, since it uses less digits than its factorization.

11232223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129106045.

The product of its digits is 432, while the sum is 21.

Adding to 11232223131 its reverse (13132223211), we get a palindrome (24364446342).

The spelling of 11232223131 in words is "eleven billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 29 87 129106013 387318039 3744074377 11232223131