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13053005031 = 311395545607
BaseRepresentation
bin11000010100000010…
…10000110011100111
31020200200112100200210
430022001100303213
5203213032130111
65555123110503
7641315466153
oct141201206347
936620470623
1013053005031
115599098970
122643512433
13130036cb21
148bb806063
15515e220a6
hex30a050ce7

13053005031 has 8 divisors (see below), whose sum is σ = 18986189184. Its totient is φ = 7910912120.

The previous prime is 13053005027. The next prime is 13053005039. The reversal of 13053005031 is 13050035031.

It is a happy number.

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 13053005031 - 22 = 13053005027 is a prime.

It is a super-2 number, since 2×130530050312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13053004989 and 13053005007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13053005039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197772771 + ... + 197772836.

It is an arithmetic number, because the mean of its divisors is an integer number (2373273648).

Almost surely, 213053005031 is an apocalyptic number.

13053005031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13053005031 is a deficient number, since it is larger than the sum of its proper divisors (5933184153).

13053005031 is a wasteful number, since it uses less digits than its factorization.

13053005031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395545621.

The product of its (nonzero) digits is 675, while the sum is 21.

The spelling of 13053005031 in words is "thirteen billion, fifty-three million, five thousand, thirty-one".

Divisors: 1 3 11 33 395545607 1186636821 4351001677 13053005031