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103230311 = 173596707
BaseRepresentation
bin1100010011100…
…10101101100111
321012020122100212
412021302231213
5202411332221
614124330035
72362305002
oct611625547
9235218325
10103230311
11532a8508
122a6a391b
1318504c32
14d9d2539
1590e1b5b
hex6272b67

103230311 has 4 divisors (see below), whose sum is σ = 103827192. Its totient is φ = 102633432.

The previous prime is 103230301. The next prime is 103230331. The reversal of 103230311 is 113032301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113032301 = 857131893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103230311 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 (103230301) 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, 298181 + ... + 298526.

It is an arithmetic number, because the mean of its divisors is an integer number (25956798).

Almost surely, 2103230311 is an apocalyptic number.

103230311 is a deficient number, since it is larger than the sum of its proper divisors (596881).

103230311 is an equidigital number, since it uses as much as digits as its factorization.

103230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596880.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 103230311 is about 10160.2318379061. The cubic root of 103230311 is about 469.1039378177.

Adding to 103230311 its reverse (113032301), we get a palindrome (216262612).

The spelling of 103230311 in words is "one hundred three million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 173 596707 103230311