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32131343321 = 7112318143051
BaseRepresentation
bin11101111011001011…
…010110001111011001
310001221021210100202122
4131323023112033121
51011301110441241
622432210111025
72215146624530
oct357313261731
9101837710678
1032131343321
111269933a8a0
12628887b475
133050b084ac
1417ab533317
15c80cd304b
hex77b2d63d9

32131343321 has 16 divisors (see below), whose sum is σ = 41801591808. Its totient is φ = 23948826000.

The previous prime is 32131343297. The next prime is 32131343351. The reversal of 32131343321 is 12334313123.

It is not a de Polignac number, because 32131343321 - 210 = 32131342297 is a prime.

It is a super-2 number, since 2×321313433212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32131343351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9069755 + ... + 9073296.

It is an arithmetic number, because the mean of its divisors is an integer number (2612599488).

Almost surely, 232131343321 is an apocalyptic number.

It is an amenable number.

32131343321 is a deficient number, since it is larger than the sum of its proper divisors (9670248487).

32131343321 is a wasteful number, since it uses less digits than its factorization.

32131343321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143092.

The product of its digits is 3888, while the sum is 26.

Adding to 32131343321 its reverse (12334313123), we get a palindrome (44465656444).

The spelling of 32131343321 in words is "thirty-two billion, one hundred thirty-one million, three hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 7 11 23 77 161 253 1771 18143051 127001357 199573561 417290173 1397014927 2921031211 4590191903 32131343321