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103231220203 = 831243749641
BaseRepresentation
bin110000000100100001…
…1110110100111101011
3100212110100202100002001
41200021003312213223
53142404143021303
6115231311151431
710313110615366
oct1401103664753
9325410670061
10103231220203
113a864372721
121800bb15577
13997208c767
144dd42550dd
152a42c5331d
hex18090f69eb

103231220203 has 4 divisors (see below), whose sum is σ = 104474969928. Its totient is φ = 101987470480.

The previous prime is 103231220177. The next prime is 103231220231. The reversal of 103231220203 is 302022132301.

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 103231220203 - 217 = 103231089131 is a prime.

It is a super-2 number, since 2×1032312202032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103231220233) 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, 621874738 + ... + 621874903.

It is an arithmetic number, because the mean of its divisors is an integer number (26118742482).

Almost surely, 2103231220203 is an apocalyptic number.

103231220203 is a deficient number, since it is larger than the sum of its proper divisors (1243749725).

103231220203 is an equidigital number, since it uses as much as digits as its factorization.

103231220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243749724.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 103231220203 its reverse (302022132301), we get a palindrome (405253352504).

The spelling of 103231220203 in words is "one hundred three billion, two hundred thirty-one million, two hundred twenty thousand, two hundred three".

Divisors: 1 83 1243749641 103231220203