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32142311231 is a prime number
BaseRepresentation
bin11101111011110101…
…001011111100111111
310001222001102120220112
4131323311023330333
51011311412424411
622433241140235
72215342065122
oct357365137477
9101861376815
1032142311231
11126a4551188
12629048a67b
133053178794
1417acb8a3b9
15c81c4cb8b
hex77bd4bf3f

32142311231 has 2 divisors, whose sum is σ = 32142311232. Its totient is φ = 32142311230.

The previous prime is 32142311197. The next prime is 32142311297. The reversal of 32142311231 is 13211324123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32142311231 is a prime.

It is a super-2 number, since 2×321423112312 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 32142311197 and 32142311206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32142316231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16071155615 + 16071155616.

It is an arithmetic number, because the mean of its divisors is an integer number (16071155616).

Almost surely, 232142311231 is an apocalyptic number.

32142311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32142311231 is an equidigital number, since it uses as much as digits as its factorization.

32142311231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 32142311231 its reverse (13211324123), we get a palindrome (45353635354).

The spelling of 32142311231 in words is "thirty-two billion, one hundred forty-two million, three hundred eleven thousand, two hundred thirty-one".