Search a number
-
+
100131313331 = 746523307471
BaseRepresentation
bin101110101000001001…
…0101001011010110011
3100120110022201202021102
41131100102221122303
53120032104011311
6113555533315015
710143230056130
oct1352022513263
9316408652242
10100131313331
1139513574815
12174a5935a6b
139599a97c3a
144bbc683587
152910a2743b
hex17504a96b3

100131313331 has 8 divisors (see below), whose sum is σ = 114438618624. Its totient is φ = 85824716040.

The previous prime is 100131313201. The next prime is 100131313391. The reversal of 100131313331 is 133313131001.

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

It is a de Polignac number, because none of the positive numbers 2k-100131313331 is a prime.

It is a super-2 number, since 2×1001313133312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100131313391) 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, 171926 + ... + 479396.

It is an arithmetic number, because the mean of its divisors is an integer number (14304827328).

Almost surely, 2100131313331 is an apocalyptic number.

100131313331 is a deficient number, since it is larger than the sum of its proper divisors (14307305293).

100131313331 is an equidigital number, since it uses as much as digits as its factorization.

100131313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354001.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 100131313331 its reverse (133313131001), we get a palindrome (233444444332).

The spelling of 100131313331 in words is "one hundred billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 7 46523 307471 325661 2152297 14304473333 100131313331