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13031100301 = 531491650133
BaseRepresentation
bin11000010001011011…
…01100111110001101
31020122011022111001111
430020231230332031
5203141430202201
65553021412021
7640631345032
oct141055547615
936564274044
1013031100301
11558779758a
12263810a011
1312c897074b
148b8943389
15514046b51
hex308b6cf8d

13031100301 has 8 divisors (see below), whose sum is σ = 13366085400. Its totient is φ = 12699415872.

The previous prime is 13031100293. The next prime is 13031100331. The reversal of 13031100301 is 10300113031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 991305225 + 12039795076 = 31485^2 + 109726^2 .

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 13031100301 - 23 = 13031100293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031100331) 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, 817170 + ... + 832963.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760675).

Almost surely, 213031100301 is an apocalyptic number.

It is an amenable number.

13031100301 is a deficient number, since it is larger than the sum of its proper divisors (334985099).

13031100301 is a wasteful number, since it uses less digits than its factorization.

13031100301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650335.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 13031100301 its reverse (10300113031), we get a palindrome (23331213332).

The spelling of 13031100301 in words is "thirteen billion, thirty-one million, one hundred thousand, three hundred one".

Divisors: 1 53 149 7897 1650133 87457049 245869817 13031100301