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13345194531 = 317261670481
BaseRepresentation
bin11000110110110111…
…11000001000100011
31021110001100010100010
430123123320020203
5204312332211111
610044121500003
7651464165454
oct143333701043
937401303303
1013345194531
115729018199
122705341603
131348a64816
1490854512b
155318dbaa6
hex31b6f8223

13345194531 has 8 divisors (see below), whose sum is σ = 18840274704. Its totient is φ = 8373455360.

The previous prime is 13345194503. The next prime is 13345194553. The reversal of 13345194531 is 13549154331.

It is a happy number.

13345194531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13345194531 - 215 = 13345161763 is a prime.

It is a super-2 number, since 2×133451945312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13345194531.

It is not an unprimeable number, because it can be changed into a prime (13345194131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130835190 + ... + 130835291.

It is an arithmetic number, because the mean of its divisors is an integer number (2355034338).

Almost surely, 213345194531 is an apocalyptic number.

13345194531 is a deficient number, since it is larger than the sum of its proper divisors (5495080173).

13345194531 is a wasteful number, since it uses less digits than its factorization.

13345194531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261670501.

The product of its digits is 97200, while the sum is 39.

The spelling of 13345194531 in words is "thirteen billion, three hundred forty-five million, one hundred ninety-four thousand, five hundred thirty-one".

Divisors: 1 3 17 51 261670481 785011443 4448398177 13345194531