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1010201213231 = 7144314459033
BaseRepresentation
bin11101011001101001010…
…11110011100100101111
310120120111122210202021022
432230310223303210233
5113022343002310411
62052025141524355
7132661504430330
oct16546453634457
93516448722238
101010201213231
1135a473281431
1214394a4136bb
13743528765a2
1436c731c6287
151b42711cedb
hexeb34af392f

1010201213231 has 4 divisors (see below), whose sum is σ = 1154515672272. Its totient is φ = 865886754192.

The previous prime is 1010201213227. The next prime is 1010201213237. The reversal of 1010201213231 is 1323121020101.

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 1010201213231 - 22 = 1010201213227 is a prime.

It is a super-2 number, since 2×10102012132312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010201213237) 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, 72157229510 + ... + 72157229523.

It is an arithmetic number, because the mean of its divisors is an integer number (288628918068).

Almost surely, 21010201213231 is an apocalyptic number.

1010201213231 is a deficient number, since it is larger than the sum of its proper divisors (144314459041).

1010201213231 is an equidigital number, since it uses as much as digits as its factorization.

1010201213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144314459040.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1010201213231 its reverse (1323121020101), we get a palindrome (2333322233332).

The spelling of 1010201213231 in words is "one trillion, ten billion, two hundred one million, two hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 7 144314459033 1010201213231