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131130302213 = 1732887234547
BaseRepresentation
bin111101000011111111…
…0011001111100000101
3110112110200210112202202
41322013332121330011
54122023324132323
6140123533244245
712321350115041
oct1720776317405
9415420715682
10131130302213
1150680700999
12214b7333685
13c49a104c01
1464bd655021
1536271d2d28
hex1e87f99f05

131130302213 has 8 divisors (see below), whose sum is σ = 138848663232. Its totient is φ = 123412476096.

The previous prime is 131130302167. The next prime is 131130302243. The reversal of 131130302213 is 312203031131.

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 131130302213 - 28 = 131130301957 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 (131130302243) 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, 441806 + ... + 676352.

It is an arithmetic number, because the mean of its divisors is an integer number (17356082904).

Almost surely, 2131130302213 is an apocalyptic number.

It is an amenable number.

131130302213 is a deficient number, since it is larger than the sum of its proper divisors (7718361019).

131130302213 is a wasteful number, since it uses less digits than its factorization.

131130302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267451.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131130302213 its reverse (312203031131), we get a palindrome (443333333344).

The spelling of 131130302213 in words is "one hundred thirty-one billion, one hundred thirty million, three hundred two thousand, two hundred thirteen".

Divisors: 1 17 32887 234547 559079 3987299 7713547189 131130302213