Search a number
-
+
31300032522 = 2311474242917
BaseRepresentation
bin11101001001101000…
…001001100000001010
32222210100112101201210
4131021220021200022
51003100302020042
622213512153550
72155433613063
oct351150114012
988710471653
1031300032522
1112302063780
1260963988b6
132c4a811b05
14172cd7756a
15c32d23a9c
hex749a0980a

31300032522 has 16 divisors (see below), whose sum is σ = 68290980192. Its totient is φ = 9484858320.

The previous prime is 31300032493. The next prime is 31300032571. The reversal of 31300032522 is 22523000313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237121393 + ... + 237121524.

It is an arithmetic number, because the mean of its divisors is an integer number (4268186262).

Almost surely, 231300032522 is an apocalyptic number.

31300032522 is an abundant number, since it is smaller than the sum of its proper divisors (36990947670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31300032522 is a wasteful number, since it uses less digits than its factorization.

31300032522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474242933.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 31300032522 its reverse (22523000313), we get a palindrome (53823032835).

The spelling of 31300032522 in words is "thirty-one billion, three hundred million, thirty-two thousand, five hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 474242917 948485834 1422728751 2845457502 5216672087 10433344174 15650016261 31300032522