Search a number
-
+
131211002103 = 347930574483
BaseRepresentation
bin111101000110011001…
…0010000000011110111
3110112200022122112012120
41322030302100003313
54122210004031403
6140135535051023
712323350054506
oct1721462200367
9415608575176
10131211002103
115071220aa15
122151a370a73
13c4b0a4ba1c
1464ca26083d
15362e323e53
hex1e8cc900f7

131211002103 has 8 divisors (see below), whose sum is σ = 178670300928. Its totient is φ = 85612852344.

The previous prime is 131211002057. The next prime is 131211002141. The reversal of 131211002103 is 301200112131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131211002103 - 28 = 131211001847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211002183) 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, 465287101 + ... + 465287382.

It is an arithmetic number, because the mean of its divisors is an integer number (22333787616).

Almost surely, 2131211002103 is an apocalyptic number.

131211002103 is a deficient number, since it is larger than the sum of its proper divisors (47459298825).

131211002103 is an equidigital number, since it uses as much as digits as its factorization.

131211002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930574533.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131211002103 its reverse (301200112131), we get a palindrome (432411114234).

The spelling of 131211002103 in words is "one hundred thirty-one billion, two hundred eleven million, two thousand, one hundred three".

Divisors: 1 3 47 141 930574483 2791723449 43737000701 131211002103