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31133021113201 = 78795950564177
BaseRepresentation
bin1110001010000101110001…
…01010100000101101110001
311002020021202202210212210111
413011002320222200231301
513040040411401110301
6150114151253501321
76362200200061630
oct705027052405561
9132207682725714
1031133021113201
119a13492867147
1235a9955941841
13144aaa6476b57
14798bbc1dd517
1538ec94718551
hex1c50b8aa0b71

31133021113201 has 8 divisors (see below), whose sum is σ = 35581000775040. Its totient is φ = 26685142755648.

The previous prime is 31133021113157. The next prime is 31133021113219. The reversal of 31133021113201 is 10231112033113.

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

It is a cyclic number.

It is not a de Polignac number, because 31133021113201 - 229 = 31132484242289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31133021113231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24666376 + ... + 25897801.

It is an arithmetic number, because the mean of its divisors is an integer number (4447625096880).

Almost surely, 231133021113201 is an apocalyptic number.

It is an amenable number.

31133021113201 is a deficient number, since it is larger than the sum of its proper divisors (4447979661839).

31133021113201 is an equidigital number, since it uses as much as digits as its factorization.

31133021113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50652143.

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

Adding to 31133021113201 its reverse (10231112033113), we get a palindrome (41364133146314).

The spelling of 31133021113201 in words is "thirty-one trillion, one hundred thirty-three billion, twenty-one million, one hundred thirteen thousand, two hundred one".

Divisors: 1 7 87959 615713 50564177 353949239 4447574444743 31133021113201