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13343232431 is a prime number
BaseRepresentation
bin11000110110101000…
…11001000110101111
31021102220122102211202
430123110121012233
5204311331414211
610044011440115
7651441414164
oct143324310657
937386572752
1013343232431
1157279a8021
12270475603b
131348528709
1490819406b
1553165053b
hex31b5191af

13343232431 has 2 divisors, whose sum is σ = 13343232432. Its totient is φ = 13343232430.

The previous prime is 13343232407. The next prime is 13343232437. The reversal of 13343232431 is 13423234331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13343232431 is a prime.

It is a super-2 number, since 2×133432324312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13343232394 and 13343232403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13343232437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671616215 + 6671616216.

It is an arithmetic number, because the mean of its divisors is an integer number (6671616216).

Almost surely, 213343232431 is an apocalyptic number.

13343232431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13343232431 is an equidigital number, since it uses as much as digits as its factorization.

13343232431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

Adding to 13343232431 its reverse (13423234331), we get a palindrome (26766466762).

The spelling of 13343232431 in words is "thirteen billion, three hundred forty-three million, two hundred thirty-two thousand, four hundred thirty-one".