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13102300331 = 71918222949
BaseRepresentation
bin11000011001111010…
…10011110010101011
31020211010021211010122
430030331103302223
5203313142102311
610004043433455
7642454500221
oct141475236253
936733254118
1013102300331
1156139a818a
122657b2588b
13130a63c543
148c4198b11
1551a40d0db
hex30cf53cab

13102300331 has 4 divisors (see below), whose sum is σ = 13120524000. Its totient is φ = 13084076664.

The previous prime is 13102300327. The next prime is 13102300339. The reversal of 13102300331 is 13300320131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13102300331 - 22 = 13102300327 is a prime.

It is a super-2 number, since 2×131023003312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102300339) 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, 9110756 + ... + 9112193.

It is an arithmetic number, because the mean of its divisors is an integer number (3280131000).

Almost surely, 213102300331 is an apocalyptic number.

13102300331 is a deficient number, since it is larger than the sum of its proper divisors (18223669).

13102300331 is an equidigital number, since it uses as much as digits as its factorization.

13102300331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18223668.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13102300331 its reverse (13300320131), we get a palindrome (26402620462).

The spelling of 13102300331 in words is "thirteen billion, one hundred two million, three hundred thousand, three hundred thirty-one".

Divisors: 1 719 18222949 13102300331