Search a number
-
+
231313332000000 = 2835619276111
BaseRepresentation
bin110100100110000011010100…
…111111000101010100000000
31010100000100010211012001010110
4310212003110333011110000
5220304314200443000000
62135543513331231320
766502560000561165
oct6446032477052400
91110010124161113
10231313332000000
1167781484651508
1221b3a0a6a48540
139c0b9a48ba453
1441198a702806c
151bb1ecd420850
hexd260d4fc5500

231313332000000 has 252 divisors, whose sum is σ = 769528683656768. Its totient is φ = 61683552000000.

The previous prime is 231313331999989. The next prime is 231313332000013. The reversal of 231313332000000 is 233313132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2361945 + ... + 21638055.

Almost surely, 2231313332000000 is an apocalyptic number.

231313332000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231313332000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384764341828384).

231313332000000 is an abundant number, since it is smaller than the sum of its proper divisors (538215351656768).

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

231313332000000 is an frugal number, since it uses more digits than its factorization.

231313332000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19276160 (or 19276121 counting only the distinct ones).

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

Adding to 231313332000000 its reverse (233313132), we get a palindrome (231313565313132).

The spelling of 231313332000000 in words is "two hundred thirty-one trillion, three hundred thirteen billion, three hundred thirty-two million", and thus it is an aban number.