Search a number
-
+
3131120141232 = 24365231669609
BaseRepresentation
bin101101100100000101010…
…011011100001110110000
3102002022222010221120222020
4231210011103130032300
5402300013224004412
610354230003111440
7442134035032236
oct55440523341660
912068863846866
103131120141232
11aa799a767566
124269b9972580
131993567b7ba5
14ab793064956
15566aaabb18c
hex2d9054dc3b0

3131120141232 has 20 divisors (see below), whose sum is σ = 8088727031640. Its totient is φ = 1043706713728.

The previous prime is 3131120141207. The next prime is 3131120141249. The reversal of 3131120141232 is 2321410211313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32615834757 + ... + 32615834852.

It is an arithmetic number, because the mean of its divisors is an integer number (404436351582).

Almost surely, 23131120141232 is an apocalyptic number.

It is an amenable number.

3131120141232 is an abundant number, since it is smaller than the sum of its proper divisors (4957606890408).

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

3131120141232 is a wasteful number, since it uses less digits than its factorization.

3131120141232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65231669620 (or 65231669614 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 3131120141232 its reverse (2321410211313), we get a palindrome (5452530352545).

The spelling of 3131120141232 in words is "three trillion, one hundred thirty-one billion, one hundred twenty million, one hundred forty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 65231669609 130463339218 195695008827 260926678436 391390017654 521853356872 782780035308 1043706713744 1565560070616 3131120141232