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103231221033 = 3298314295973
BaseRepresentation
bin110000000100100001…
…1110110110100101001
3100212110100202101012210
41200021003312310221
53142404143033113
6115231311155333
710313110620663
oct1401103666451
9325410671183
10103231221033
113a864373306
121800bb15b49
13997208cc55
144dd4255533
152a42c536c3
hex18090f6d29

103231221033 has 16 divisors (see below), whose sum is σ = 144103417920. Its totient is φ = 65647103424.

The previous prime is 103231221029. The next prime is 103231221047. The reversal of 103231221033 is 330122132301.

It is not a de Polignac number, because 103231221033 - 22 = 103231221029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103231221013) 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, 7140766 + ... + 7155207.

It is an arithmetic number, because the mean of its divisors is an integer number (9006463620).

Almost surely, 2103231221033 is an apocalyptic number.

It is an amenable number.

103231221033 is a deficient number, since it is larger than the sum of its proper divisors (40872196887).

103231221033 is a wasteful number, since it uses less digits than its factorization.

103231221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296088.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103231221033 its reverse (330122132301), we get a palindrome (433353353334).

The spelling of 103231221033 in words is "one hundred three billion, two hundred thirty-one million, two hundred twenty-one thousand, thirty-three".

Divisors: 1 3 29 83 87 249 2407 7221 14295973 42887919 414583217 1186565759 1243749651 3559697277 34410407011 103231221033