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331230111032101 = 1312125244273381
BaseRepresentation
bin100101101010000001000010…
…1000110110110001100100101
31121102210021210221120101002211
41023110002011012312030211
5321403333231411011401
63132245002400003421
7126524404634342041
oct11324020506661445
91542707727511084
10331230111032101
11965a39a0587766
1231196746000571
13112a8b334cac08
145bb18a13b9021
1528460c6a80951
hex12d40851b6325

331230111032101 has 4 divisors (see below), whose sum is σ = 331255355318604. Its totient is φ = 331204866745600.

The previous prime is 331230111032059. The next prime is 331230111032113. The reversal of 331230111032101 is 101230111032133.

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 147215731296001 + 184014379736100 = 12133249^2 + 13565190^2 .

It is a cyclic number.

It is not a de Polignac number, because 331230111032101 - 27 = 331230111031973 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 (331230111032141) 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, 12622123570 + ... + 12622149811.

It is an arithmetic number, because the mean of its divisors is an integer number (82813838829651).

Almost surely, 2331230111032101 is an apocalyptic number.

It is an amenable number.

331230111032101 is a deficient number, since it is larger than the sum of its proper divisors (25244286503).

331230111032101 is a wasteful number, since it uses less digits than its factorization.

331230111032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25244286502.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 331230111032101 its reverse (101230111032133), we get a palindrome (432460222064234).

The spelling of 331230111032101 in words is "three hundred thirty-one trillion, two hundred thirty billion, one hundred eleven million, thirty-two thousand, one hundred one".

Divisors: 1 13121 25244273381 331230111032101