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101231012303 = 234401348361
BaseRepresentation
bin101111001000111010…
…1101010100111001111
3100200021222000020122222
41132101311222213033
53124310114343203
6114301015525555
710212412256441
oct1362165524717
9320258006588
10101231012303
1139a282a3943
12177520898bb
1397138718a5
144c84744491
15297734e038
hex1791d6a9cf

101231012303 has 4 divisors (see below), whose sum is σ = 105632360688. Its totient is φ = 96829663920.

The previous prime is 101231012299. The next prime is 101231012357. The reversal of 101231012303 is 303210132101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303210132101 = 656574618093.

It is a cyclic number.

It is not a de Polignac number, because 101231012303 - 22 = 101231012299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231012203) 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, 2200674158 + ... + 2200674203.

It is an arithmetic number, because the mean of its divisors is an integer number (26408090172).

Almost surely, 2101231012303 is an apocalyptic number.

101231012303 is a deficient number, since it is larger than the sum of its proper divisors (4401348385).

101231012303 is an equidigital number, since it uses as much as digits as its factorization.

101231012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401348384.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101231012303 its reverse (303210132101), we get a palindrome (404441144404).

The spelling of 101231012303 in words is "one hundred one billion, two hundred thirty-one million, twelve thousand, three hundred three".

Divisors: 1 23 4401348361 101231012303