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32311133021 = 1932573371933
BaseRepresentation
bin11110000101111001…
…001100001101011101
310002101211002121212102
4132011321030031131
51012133122224041
622502111414445
72222462045666
oct360571141535
9102354077772
1032311133021
1112780879522
126318b24425
13307c13772b
1417c737436d
15c9199909b
hex785e4c35d

32311133021 has 16 divisors (see below), whose sum is σ = 32718591984. Its totient is φ = 31907119104.

The previous prime is 32311132991. The next prime is 32311133027. The reversal of 32311133021 is 12033111323.

It can be written as a sum of positive squares in 8 ways, for example, as 900660121 + 31410472900 = 30011^2 + 177230^2 .

It is a cyclic number.

It is not a de Polignac number, because 32311133021 - 214 = 32311116637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32311132984 and 32311133002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32311133027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16714571 + ... + 16716503.

It is an arithmetic number, because the mean of its divisors is an integer number (2044911999).

Almost surely, 232311133021 is an apocalyptic number.

It is an amenable number.

32311133021 is a deficient number, since it is larger than the sum of its proper divisors (407458963).

32311133021 is a wasteful number, since it uses less digits than its factorization.

32311133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 32311133021 its reverse (12033111323), we get a palindrome (44344244344).

The spelling of 32311133021 in words is "thirty-two billion, three hundred eleven million, one hundred thirty-three thousand, twenty-one".

Divisors: 1 193 257 337 1933 49601 65041 86609 373069 496781 651421 16715537 95878733 125724253 167415197 32311133021