Search a number
-
+
13131433087 is a prime number
BaseRepresentation
bin11000011101011000…
…11100010001111111
31020220011002220202121
430032230130101333
5203343121324322
610011004103411
7643260224323
oct141654342177
936804086677
1013131433087
115629396043
122665834b67
13131369c866
148c7dbd983
1551cc64ec7
hex30eb1c47f

13131433087 has 2 divisors, whose sum is σ = 13131433088. Its totient is φ = 13131433086.

The previous prime is 13131433069. The next prime is 13131433093. The reversal of 13131433087 is 78033413131.

It is a strong prime.

It is an emirp because it is prime and its reverse (78033413131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13131433087 - 223 = 13123044479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13131433037) 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, 6565716543 + 6565716544.

It is an arithmetic number, because the mean of its divisors is an integer number (6565716544).

Almost surely, 213131433087 is an apocalyptic number.

13131433087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131433087 is an equidigital number, since it uses as much as digits as its factorization.

13131433087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 13131433087 in words is "thirteen billion, one hundred thirty-one million, four hundred thirty-three thousand, eighty-seven".