Search a number
-
+
131001010303 = 318474113449
BaseRepresentation
bin111101000000001000…
…1001100100001111111
3110112010200111211121111
41322000101030201333
54121242224312203
6140103034142451
712315220133512
oct1720021144177
9415120454544
10131001010303
1150614722a79
122147bb81a27
13c4793a6817
1464aa3dad79
15361ab9426d
hex1e8044c87f

131001010303 has 4 divisors (see below), whose sum is σ = 131005155600. Its totient is φ = 130996865008.

The previous prime is 131001010291. The next prime is 131001010319. The reversal of 131001010303 is 303010100131.

It is a happy number.

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 131001010303 - 217 = 131000879231 is a prime.

It is a super-2 number, since 2×1310010103032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001010373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024878 + ... + 2088571.

It is an arithmetic number, because the mean of its divisors is an integer number (32751288900).

Almost surely, 2131001010303 is an apocalyptic number.

131001010303 is a deficient number, since it is larger than the sum of its proper divisors (4145297).

131001010303 is an equidigital number, since it uses as much as digits as its factorization.

131001010303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145296.

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

Adding to 131001010303 its reverse (303010100131), we get a palindrome (434011110434).

The spelling of 131001010303 in words is "one hundred thirty-one billion, one million, ten thousand, three hundred three".

Divisors: 1 31847 4113449 131001010303