Search a number
-
+
231001323202 = 2138884666277
BaseRepresentation
bin1101011100100011000…
…0000111011011000010
3211002020212202002002001
43113020300013123002
512241042314320302
6254042012014214
722455266564326
oct3271060073302
9732225662061
10231001323202
1189a70252171
1238929a6136a
1318a24c957c0
14b2754dd986
15601ee41787
hex35c8c076c2

231001323202 has 8 divisors (see below), whose sum is σ = 373155983676. Its totient is φ = 106615995312.

The previous prime is 231001323191. The next prime is 231001323251. The reversal of 231001323202 is 202323100132.

It can be written as a sum of positive squares in 2 ways, for example, as 230708263041 + 293060161 = 480321^2 + 17119^2 .

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

It is a super-2 number, since 2×2310013232022 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231001323202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442333113 + ... + 4442333164.

Almost surely, 2231001323202 is an apocalyptic number.

231001323202 is a deficient number, since it is larger than the sum of its proper divisors (142154660474).

231001323202 is a wasteful number, since it uses less digits than its factorization.

231001323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884666292.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231001323202 its reverse (202323100132), we get a palindrome (433324423334).

The spelling of 231001323202 in words is "two hundred thirty-one billion, one million, three hundred twenty-three thousand, two hundred two".

Divisors: 1 2 13 26 8884666277 17769332554 115500661601 231001323202