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231330300101 = 376252170273
BaseRepresentation
bin1101011101110001011…
…1000100000011000101
3211010002210202211112122
43113130113010003011
512242231024100401
6254134403055325
722466403051545
oct3273427040305
9733083684478
10231330300101
118a119a183aa
1238a00071545
1318a7819a9a4
14b2a7097325
15603dc7621b
hex35dc5c40c5

231330300101 has 4 divisors (see below), whose sum is σ = 237582470412. Its totient is φ = 225078129792.

The previous prime is 231330300011. The next prime is 231330300109. The reversal of 231330300101 is 101003033132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128690800225 + 102639499876 = 358735^2 + 320374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231330300101 is a prime.

It is a super-2 number, since 2×2313303001012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231330300101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330300109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3126085100 + ... + 3126085173.

It is an arithmetic number, because the mean of its divisors is an integer number (59395617603).

Almost surely, 2231330300101 is an apocalyptic number.

It is an amenable number.

231330300101 is a deficient number, since it is larger than the sum of its proper divisors (6252170311).

231330300101 is an equidigital number, since it uses as much as digits as its factorization.

231330300101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252170310.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 231330300101 its reverse (101003033132), we get a palindrome (332333333233).

The spelling of 231330300101 in words is "two hundred thirty-one billion, three hundred thirty million, three hundred thousand, one hundred one".

Divisors: 1 37 6252170273 231330300101