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13431213033 = 372922054537
BaseRepresentation
bin11001000001001000…
…00000101111101001
31021200001012022112120
430200210000233221
5210001342304113
610100433301453
7653560266330
oct144044005751
937601168476
1013431213033
11577262a167
12272a104889
131360821444
14915b36d17
1553922da23
hex320900be9

13431213033 has 16 divisors (see below), whose sum is σ = 21172356480. Its totient is φ = 7410324096.

The previous prime is 13431213023. The next prime is 13431213043. The reversal of 13431213033 is 33031213431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13431213023) and next prime (13431213043).

It is not a de Polignac number, because 13431213033 - 220 = 13430164457 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13431212994 and 13431213012.

It is not an unprimeable number, because it can be changed into a prime (13431213023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11026660 + ... + 11027877.

It is an arithmetic number, because the mean of its divisors is an integer number (1323272280).

Almost surely, 213431213033 is an apocalyptic number.

It is an amenable number.

13431213033 is a deficient number, since it is larger than the sum of its proper divisors (7741143447).

13431213033 is a wasteful number, since it uses less digits than its factorization.

13431213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22054576.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13431213033 its reverse (33031213431), we get a palindrome (46462426464).

The spelling of 13431213033 in words is "thirteen billion, four hundred thirty-one million, two hundred thirteen thousand, thirty-three".

Divisors: 1 3 7 21 29 87 203 609 22054537 66163611 154381759 463145277 639581573 1918744719 4477071011 13431213033