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31133230112441 = 129124115592651
BaseRepresentation
bin1110001010000110001010…
…00111110001111010111001
311002020022022100002010212002
413011003011013301322321
513040041323402044231
6150114224121230345
76362205315410102
oct705030507617271
9132208270063762
1031133230112441
119a1358a836396
1235a99b39323b5
13144ab0a862342
14798bdbc853a9
1538eca7c4e0cb
hex1c50c51f1eb9

31133230112441 has 4 divisors (see below), whose sum is σ = 31157345706384. Its totient is φ = 31109114518500.

The previous prime is 31133230112437. The next prime is 31133230112447. The reversal of 31133230112441 is 14421103233113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31133230112441 - 22 = 31133230112437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31133230112447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12057795035 + ... + 12057797616.

It is an arithmetic number, because the mean of its divisors is an integer number (7789336426596).

Almost surely, 231133230112441 is an apocalyptic number.

It is an amenable number.

31133230112441 is a deficient number, since it is larger than the sum of its proper divisors (24115593943).

31133230112441 is a wasteful number, since it uses less digits than its factorization.

31133230112441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24115593942.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31133230112441 its reverse (14421103233113), we get a palindrome (45554333345554).

The spelling of 31133230112441 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred thirty million, one hundred twelve thousand, four hundred forty-one".

Divisors: 1 1291 24115592651 31133230112441