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100230311131 = 6713759108727
BaseRepresentation
bin101110101011000110…
…0010010110011011011
3100120201020000100201121
41131112030102303123
53120232424424011
6114013431230111
710145541405346
oct1352614226333
9316636010647
10100230311131
1139564441285
1217512b18337
1395b444a512
144bcb89345d
15291957ee71
hex1756312cdb

100230311131 has 8 divisors (see below), whose sum is σ = 101734615040. Its totient is φ = 98726252328.

The previous prime is 100230311123. The next prime is 100230311161. The reversal of 100230311131 is 131113032001.

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 100230311131 - 23 = 100230311123 is a prime.

It is a super-2 number, since 2×1002303111312 (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 (100230311161) 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, 867490 + ... + 976216.

It is an arithmetic number, because the mean of its divisors is an integer number (12716826880).

Almost surely, 2100230311131 is an apocalyptic number.

100230311131 is a deficient number, since it is larger than the sum of its proper divisors (1504303909).

100230311131 is a wasteful number, since it uses less digits than its factorization.

100230311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122553.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 100230311131 its reverse (131113032001), we get a palindrome (231343343132).

The spelling of 100230311131 in words is "one hundred billion, two hundred thirty million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 67 13759 108727 921853 7284709 1495974793 100230311131