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231103313101 = 2297100610933
BaseRepresentation
bin1101011100111011010…
…1001011010011001101
3211002111222122200220201
43113032311023103031
512241244422004401
6254100054013501
722460645515063
oct3271665132315
9732458580821
10231103313101
118a012882741
1238958047291
1318a40154c5b
14b284c8c033
156028d8ab01
hex35ced4b4cd

231103313101 has 4 divisors (see below), whose sum is σ = 231203926332. Its totient is φ = 231002699872.

The previous prime is 231103313053. The next prime is 231103313107. The reversal of 231103313101 is 101313301132.

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 170052315876 + 61050997225 = 412374^2 + 247085^2 .

It is a cyclic number.

It is not a de Polignac number, because 231103313101 - 211 = 231103311053 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 (231103313107) 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, 50303170 + ... + 50307763.

It is an arithmetic number, because the mean of its divisors is an integer number (57800981583).

Almost surely, 2231103313101 is an apocalyptic number.

It is an amenable number.

231103313101 is a deficient number, since it is larger than the sum of its proper divisors (100613231).

231103313101 is a wasteful number, since it uses less digits than its factorization.

231103313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100613230.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231103313101 its reverse (101313301132), we get a palindrome (332416614233).

The spelling of 231103313101 in words is "two hundred thirty-one billion, one hundred three million, three hundred thirteen thousand, one hundred one".

Divisors: 1 2297 100610933 231103313101