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12031632031 is a prime number
BaseRepresentation
bin10110011010010010…
…00010001010011111
31011001111122020100011
423031021002022133
5144120044211111
65305515344051
7604104120256
oct131511021237
934044566304
1012031632031
1151145a7251
1223b9452027
13119988b5c3
14821cd379d
154a641d021
hex2cd24229f

12031632031 has 2 divisors, whose sum is σ = 12031632032. Its totient is φ = 12031632030.

The previous prime is 12031631993. The next prime is 12031632079. The reversal of 12031632031 is 13023613021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031632031 - 27 = 12031631903 is a prime.

It is a super-2 number, since 2×120316320312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12031631993 and 12031632011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031636031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015816015 + 6015816016.

It is an arithmetic number, because the mean of its divisors is an integer number (6015816016).

Almost surely, 212031632031 is an apocalyptic number.

12031632031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031632031 is an equidigital number, since it uses as much as digits as its factorization.

12031632031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 12031632031 in words is "twelve billion, thirty-one million, six hundred thirty-two thousand, thirty-one".