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13131200310 = 235437706677
BaseRepresentation
bin11000011101010111…
…00011011100110110
31020220010200002110020
430032223203130312
5203343041402220
610010555110010
7643255234554
oct141653433466
936803602406
1013131200310
115629247168
122665742306
13131361a917
148c7d5cbd4
1551cc1b040
hex30eae3736

13131200310 has 16 divisors (see below), whose sum is σ = 31514880816. Its totient is φ = 3501653408.

The previous prime is 13131200297. The next prime is 13131200321. The reversal of 13131200310 is 1300213131.

It is a super-2 number, since 2×131312003102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13131200310.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 218853309 + ... + 218853368.

It is an arithmetic number, because the mean of its divisors is an integer number (1969680051).

Almost surely, 213131200310 is an apocalyptic number.

13131200310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131200310 is an abundant number, since it is smaller than the sum of its proper divisors (18383680506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131200310 is a wasteful number, since it uses less digits than its factorization.

13131200310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437706687.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13131200310 its reverse (1300213131), we get a palindrome (14431413441).

The spelling of 13131200310 in words is "thirteen billion, one hundred thirty-one million, two hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 437706677 875413354 1313120031 2188533385 2626240062 4377066770 6565600155 13131200310