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131330202213 = 3717873499619
BaseRepresentation
bin111101001001111100…
…0111101101001100101
3110112222121221112000110
41322103320331221211
54122431012432323
6140155434003233
712326325204630
oct1722370755145
9415877845013
10131330202213
1150773525801
1221552276519
13c4cc655832
1464dc00cc17
153639a1c793
hex1e93e3da65

131330202213 has 16 divisors (see below), whose sum is σ = 200234257920. Its totient is φ = 75003812976.

The previous prime is 131330202163. The next prime is 131330202301. The reversal of 131330202213 is 312202033131.

It is not a de Polignac number, because 131330202213 - 212 = 131330198117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 131330202213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330202413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712283 + ... + 1787336.

It is an arithmetic number, because the mean of its divisors is an integer number (12514641120).

Almost surely, 2131330202213 is an apocalyptic number.

It is an amenable number.

131330202213 is a deficient number, since it is larger than the sum of its proper divisors (68904055707).

131330202213 is a wasteful number, since it uses less digits than its factorization.

131330202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501416.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131330202213 its reverse (312202033131), we get a palindrome (443532235344).

The spelling of 131330202213 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred two thousand, two hundred thirteen".

Divisors: 1 3 7 21 1787 5361 12509 37527 3499619 10498857 24497333 73491999 6253819153 18761457459 43776734071 131330202213