Search a number
-
+
131243034003 = 343747678001
BaseRepresentation
bin111101000111010110…
…0011100010110010011
3110112202112220220201020
41322032230130112103
54122241204042003
6140143041410523
712324216245124
oct1721654342623
9415675826636
10131243034003
11507292a8a64
1221529039a43
13c4b7585803
1464d05dc04b
15363204ed53
hex1e8eb1c593

131243034003 has 4 divisors (see below), whose sum is σ = 174990712008. Its totient is φ = 87495356000.

The previous prime is 131243033989. The next prime is 131243034011. The reversal of 131243034003 is 300430342131.

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 131243034003 - 218 = 131242771859 is a prime.

It is a super-2 number, since 2×1312430340032 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131243034023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21873838998 + ... + 21873839003.

It is an arithmetic number, because the mean of its divisors is an integer number (43747678002).

Almost surely, 2131243034003 is an apocalyptic number.

131243034003 is a deficient number, since it is larger than the sum of its proper divisors (43747678005).

131243034003 is an equidigital number, since it uses as much as digits as its factorization.

131243034003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43747678004.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131243034003 its reverse (300430342131), we get a palindrome (431673376134).

The spelling of 131243034003 in words is "one hundred thirty-one billion, two hundred forty-three million, thirty-four thousand, three".

Divisors: 1 3 43747678001 131243034003