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101031113123 = 297380958991
BaseRepresentation
bin101111000010111101…
…1000111000110100011
3100122210000212022112122
41132011323013012203
53123402431104443
6114225115214455
710204434202133
oct1360573070643
9318700768478
10101031113123
113993547a706
12176b714742b
1396b1321455
144c65d8aac3
152964a14968
hex1785ec71a3

101031113123 has 16 divisors (see below), whose sum is σ = 106079414400. Its totient is φ = 96090462720.

The previous prime is 101031113039. The next prime is 101031113129. The reversal of 101031113123 is 321311130101.

It is a cyclic number.

It is not a de Polignac number, because 101031113123 - 210 = 101031112099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101031113129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683158 + ... + 1742148.

It is an arithmetic number, because the mean of its divisors is an integer number (6629963400).

Almost surely, 2101031113123 is an apocalyptic number.

101031113123 is a deficient number, since it is larger than the sum of its proper divisors (5048301277).

101031113123 is an equidigital number, since it uses as much as digits as its factorization.

101031113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59902.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 101031113123 its reverse (321311130101), we get a palindrome (422342243224).

The spelling of 101031113123 in words is "one hundred one billion, thirty-one million, one hundred thirteen thousand, one hundred twenty-three".

Divisors: 1 29 73 809 2117 23461 58991 59057 1710739 1712653 4306343 47723719 124883947 1383987851 3483831487 101031113123