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1231052032031 is a prime number
BaseRepresentation
bin10001111010100000011…
…010110100100000011111
311100200120010120202222212
4101322200122310200133
5130132143310011111
62341312033231035
7154640421422453
oct21724032644037
94320503522885
101231052032031
114350a4862388
1217a704a0247b
138c11a907263
1443824586663
1522050d7298b
hex11ea06b481f

1231052032031 has 2 divisors, whose sum is σ = 1231052032032. Its totient is φ = 1231052032030.

The previous prime is 1231052032003. The next prime is 1231052032051. The reversal of 1231052032031 is 1302302501321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231052032031 - 214 = 1231052015647 is a prime.

It is a super-2 number, since 2×12310520320312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231052031988 and 1231052032006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231052032051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615526016015 + 615526016016.

It is an arithmetic number, because the mean of its divisors is an integer number (615526016016).

Almost surely, 21231052032031 is an apocalyptic number.

1231052032031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231052032031 is an equidigital number, since it uses as much as digits as its factorization.

1231052032031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1231052032031 its reverse (1302302501321), we get a palindrome (2533354533352).

The spelling of 1231052032031 in words is "one trillion, two hundred thirty-one billion, fifty-two million, thirty-two thousand, thirty-one".