Search a number
-
+
231131203233333 = 3135926441108547
BaseRepresentation
bin110100100011011001101101…
…010000111110011000110101
31010022100221000221210001222220
4310203121231100332120311
5220243323201011431313
62135324113043512553
766453451452603234
oct6443315520763065
91108327027701886
10231131203233333
1167711213713437
1221b0a938388759
139bc776ac25570
144110b4a614b1b
151bac3bddbb823
hexd2366d43e635

231131203233333 has 8 divisors (see below), whose sum is σ = 331880702078688. Its totient is φ = 142234586605104.

The previous prime is 231131203233331. The next prime is 231131203233347. The reversal of 231131203233333 is 333332302131132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231131203233333 - 21 = 231131203233331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231131203233294 and 231131203233303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231131203233331) 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, 2963220554235 + ... + 2963220554312.

It is an arithmetic number, because the mean of its divisors is an integer number (41485087759836).

Almost surely, 2231131203233333 is an apocalyptic number.

It is an amenable number.

231131203233333 is a deficient number, since it is larger than the sum of its proper divisors (100749498845355).

231131203233333 is a wasteful number, since it uses less digits than its factorization.

231131203233333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926441108563.

The product of its (nonzero) digits is 52488, while the sum is 33.

Adding to 231131203233333 its reverse (333332302131132), we get a palindrome (564463505364465).

The spelling of 231131203233333 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, two hundred three million, two hundred thirty-three thousand, three hundred thirty-three".

Divisors: 1 3 13 39 5926441108547 17779323325641 77043734411111 231131203233333