Search a number
-
+
31232231341 = 103393177137
BaseRepresentation
bin11101000101100101…
…100000011110101101
32222121121221201222221
4131011211200132231
51002430422400331
622203051035341
72153651405023
oct350545403655
988547851887
1031232231341
1112277864743
12607773bb51
132c3976307c
141723d68713
15c2bdce711
hex7459607ad

31232231341 has 8 divisors (see below), whose sum is σ = 31543888064. Its totient is φ = 30920736960.

The previous prime is 31232231321. The next prime is 31232231351. The reversal of 31232231341 is 14313223213.

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 31232231341 - 215 = 31232198573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232231321) 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, 366325 + ... + 443461.

It is an arithmetic number, because the mean of its divisors is an integer number (3942986008).

Almost surely, 231232231341 is an apocalyptic number.

It is an amenable number.

31232231341 is a deficient number, since it is larger than the sum of its proper divisors (311656723).

31232231341 is a wasteful number, since it uses less digits than its factorization.

31232231341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81171.

The product of its digits is 2592, while the sum is 25.

Adding to 31232231341 its reverse (14313223213), we get a palindrome (45545454554).

The spelling of 31232231341 in words is "thirty-one billion, two hundred thirty-two million, two hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 103 3931 77137 404893 7945111 303225547 31232231341