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13133210231 = 104231126001
BaseRepresentation
bin11000011101100110…
…01110001001110111
31020220021110012112202
430032303032021313
5203344100211411
610011110135115
7643311305441
oct141663161167
936807405482
1013133210231
11562a39a259
12266635149b
131313b7271b
148c8323491
1551ceb683b
hex30ecce277

13133210231 has 4 divisors (see below), whose sum is σ = 13133440464. Its totient is φ = 13132980000.

The previous prime is 13133210219. The next prime is 13133210359. The reversal of 13133210231 is 13201233131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13201233131 = 71185932861.

It is a cyclic number.

It is not a de Polignac number, because 13133210231 - 222 = 13129015927 is a prime.

It is a super-2 number, since 2×131332102312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133216231) 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 in 3 ways as a sum of consecutive naturals, for example, 41231 + ... + 167231.

It is an arithmetic number, because the mean of its divisors is an integer number (3283360116).

Almost surely, 213133210231 is an apocalyptic number.

13133210231 is a deficient number, since it is larger than the sum of its proper divisors (230233).

13133210231 is a wasteful number, since it uses less digits than its factorization.

13133210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230232.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13133210231 its reverse (13201233131), we get a palindrome (26334443362).

The spelling of 13133210231 in words is "thirteen billion, one hundred thirty-three million, two hundred ten thousand, two hundred thirty-one".

Divisors: 1 104231 126001 13133210231