Search a number
-
+
32320313031 = 3531319154111
BaseRepresentation
bin11110000110011100…
…001101011011000111
310002102110101000110210
4132012130031123013
51012143000004111
622503040250503
72222633061606
oct360634153307
9102373330423
1032320313031
1112785a79606
126320010a33
133080cccca6
1417c8683a3d
15c926ae0a6
hex78670d6c7

32320313031 has 16 divisors (see below), whose sum is σ = 43940413440. Its totient is φ = 21124165920.

The previous prime is 32320313009. The next prime is 32320313063. The reversal of 32320313031 is 13031302323.

It is not a de Polignac number, because 32320313031 - 27 = 32320312903 is a prime.

It is a super-2 number, since 2×323203130312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32320312989 and 32320313007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320313731) 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, 132666 + ... + 286776.

It is an arithmetic number, because the mean of its divisors is an integer number (2746275840).

Almost surely, 232320313031 is an apocalyptic number.

32320313031 is a deficient number, since it is larger than the sum of its proper divisors (11620100409).

32320313031 is a wasteful number, since it uses less digits than its factorization.

32320313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155486.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 32320313031 its reverse (13031302323), we get a palindrome (45351615354).

The spelling of 32320313031 in words is "thirty-two billion, three hundred twenty million, three hundred thirteen thousand, thirty-one".

Divisors: 1 3 53 159 1319 3957 69907 154111 209721 462333 8167883 24503649 203272409 609817227 10773437677 32320313031