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101031323311 = 195317438069
BaseRepresentation
bin101111000010111101…
…1111010011010101111
3100122210001020222212101
41132011323322122233
53123403004321221
6114225123515531
710204436036002
oct1360573723257
9318701228771
10101031323311
1139935603616
12176b7228ba7
1396b1396019
144c66003539
152964a56d91
hex1785efa6af

101031323311 has 4 divisors (see below), whose sum is σ = 106348761400. Its totient is φ = 95713885224.

The previous prime is 101031323303. The next prime is 101031323321. The reversal of 101031323311 is 113323130101.

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 101031323311 - 23 = 101031323303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5317438069 = 101031323311 / (1 + 0 + 1 + 0 + 3 + 1 + 3 + 2 + 3 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031323321) 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, 2658719016 + ... + 2658719053.

It is an arithmetic number, because the mean of its divisors is an integer number (26587190350).

Almost surely, 2101031323311 is an apocalyptic number.

101031323311 is a deficient number, since it is larger than the sum of its proper divisors (5317438089).

101031323311 is an equidigital number, since it uses as much as digits as its factorization.

101031323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317438088.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 101031323311 its reverse (113323130101), we get a palindrome (214354453412).

The spelling of 101031323311 in words is "one hundred one billion, thirty-one million, three hundred twenty-three thousand, three hundred eleven".

Divisors: 1 19 5317438069 101031323311