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23312131211033 = 72475757779817
BaseRepresentation
bin1010100110011110001110…
…10011001011111100011001
310001112121200111200011220022
411103033013103023330121
511023421221042223113
6121325240100440225
74624150225551500
oct523170723137431
9101477614604808
1023312131211033
11747868a360455
1227460696a9075
13100142b027b02
145a84554ab837
152a6606cc6908
hex1533c74cbf19

23312131211033 has 6 divisors (see below), whose sum is σ = 27118193449626. Its totient is φ = 19981826752272.

The previous prime is 23312131210937. The next prime is 23312131211051. The reversal of 23312131211033 is 33011213121332.

It can be written as a sum of positive squares in only one way, i.e., 22652002585744 + 660128625289 = 4759412^2 + 812483^2 .

It is not a de Polignac number, because 23312131211033 - 28 = 23312131210777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23312131210993 and 23312131211011.

It is not an unprimeable number, because it can be changed into a prime (23312131211053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237878889860 + ... + 237878889957.

It is an arithmetic number, because the mean of its divisors is an integer number (4519698908271).

Almost surely, 223312131211033 is an apocalyptic number.

It is an amenable number.

23312131211033 is a deficient number, since it is larger than the sum of its proper divisors (3806062238593).

23312131211033 is an equidigital number, since it uses as much as digits as its factorization.

23312131211033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475757779831 (or 475757779824 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 23312131211033 its reverse (33011213121332), we get a palindrome (56323344332365).

The spelling of 23312131211033 in words is "twenty-three trillion, three hundred twelve billion, one hundred thirty-one million, two hundred eleven thousand, thirty-three".

Divisors: 1 7 49 475757779817 3330304458719 23312131211033