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2000331221131 = 18247110962461
BaseRepresentation
bin11101000110111101000…
…010000010100010001011
321002020012112002121221101
4131012331002002202023
5230233134243034011
64130534532122231
7264343033560235
oct35067502024213
97066175077841
102000331221131
1170137690a161
12283816a66377
13116827073bc9
146cb6086d255
15370771072c1
hex1d1bd08288b

2000331221131 has 4 divisors (see below), whose sum is σ = 2000342366064. Its totient is φ = 2000320076200.

The previous prime is 2000331221107. The next prime is 2000331221143. The reversal of 2000331221131 is 1311221330002.

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

It is a cyclic number.

It is not a de Polignac number, because 2000331221131 - 217 = 2000331090059 is a prime.

It is a super-2 number, since 2×20003312211312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000331221099 and 2000331221108.

It is not an unprimeable number, because it can be changed into a prime (2000331221171) 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, 5298760 + ... + 5663701.

It is an arithmetic number, because the mean of its divisors is an integer number (500085591516).

Almost surely, 22000331221131 is an apocalyptic number.

2000331221131 is a deficient number, since it is larger than the sum of its proper divisors (11144933).

2000331221131 is a wasteful number, since it uses less digits than its factorization.

2000331221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144932.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2000331221131 its reverse (1311221330002), we get a palindrome (3311552551133).

The spelling of 2000331221131 in words is "two trillion, three hundred thirty-one million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 182471 10962461 2000331221131