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32113431121 = 110572904353
BaseRepresentation
bin11101111010000111…
…000001001001010001
310001220001002022211211
4131322013001021101
51011232014243441
622430330140121
72214541442422
oct357207011121
9101801068754
1032113431121
111268a216122
126282881641
13304a1a6465
1417a8dcd649
15c7e445a81
hex77a1c1251

32113431121 has 4 divisors (see below), whose sum is σ = 32116346532. Its totient is φ = 32110515712.

The previous prime is 32113431071. The next prime is 32113431143. The reversal of 32113431121 is 12113431123.

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 12656250000 + 19457181121 = 112500^2 + 139489^2 .

It is a cyclic number.

It is not a de Polignac number, because 32113431121 - 227 = 31979213393 is a prime.

It is a super-2 number, since 2×321134311212 (a number of 22 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 = 32113431092 and 32113431101.

It is not an unprimeable number, because it can be changed into a prime (32113431221) 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, 1441120 + ... + 1463233.

It is an arithmetic number, because the mean of its divisors is an integer number (8029086633).

Almost surely, 232113431121 is an apocalyptic number.

It is an amenable number.

32113431121 is a deficient number, since it is larger than the sum of its proper divisors (2915411).

32113431121 is a wasteful number, since it uses less digits than its factorization.

32113431121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915410.

The product of its digits is 432, while the sum is 22.

Adding to 32113431121 its reverse (12113431123), we get a palindrome (44226862244).

The spelling of 32113431121 in words is "thirty-two billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 11057 2904353 32113431121