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103231421101 = 153836710747
BaseRepresentation
bin110000000100100010…
…0100111101010101101
3100212110101010112122201
41200021010213222231
53142404220433401
6115231315341501
710313112413164
oct1401104475255
9325411115581
10103231421101
113a86449a656
121800bbb1891
139972130033
144dd42a83db
152a42c92b01
hex1809127aad

103231421101 has 4 divisors (see below), whose sum is σ = 103238147232. Its totient is φ = 103224694972.

The previous prime is 103231421057. The next prime is 103231421107. The reversal of 103231421101 is 101124132301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103231421101 - 225 = 103197866669 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 (103231421107) 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, 3339991 + ... + 3370756.

It is an arithmetic number, because the mean of its divisors is an integer number (25809536808).

Almost surely, 2103231421101 is an apocalyptic number.

It is an amenable number.

103231421101 is a deficient number, since it is larger than the sum of its proper divisors (6726131).

103231421101 is an equidigital number, since it uses as much as digits as its factorization.

103231421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726130.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103231421101 its reverse (101124132301), we get a palindrome (204355553402).

The spelling of 103231421101 in words is "one hundred three billion, two hundred thirty-one million, four hundred twenty-one thousand, one hundred one".

Divisors: 1 15383 6710747 103231421101