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103200302231 = 137938484787
BaseRepresentation
bin110000000011100110…
…1111010010010010111
3100212101012120112120222
41200013031322102113
53142323234132411
6115224244344555
710312254044465
oct1400715722227
9325335515528
10103200302231
113a848975584
12180016a515b
1399688559c0
144dd00c7835
152a401974db
hex180737a497

103200302231 has 4 divisors (see below), whose sum is σ = 111138787032. Its totient is φ = 95261817432.

The previous prime is 103200302141. The next prime is 103200302237. The reversal of 103200302231 is 132203002301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132203002301 = 279147367611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103200302231 is a prime.

It is a super-2 number, since 2×1032003022312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103200302237) 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, 3969242381 + ... + 3969242406.

It is an arithmetic number, because the mean of its divisors is an integer number (27784696758).

Almost surely, 2103200302231 is an apocalyptic number.

103200302231 is a deficient number, since it is larger than the sum of its proper divisors (7938484801).

103200302231 is an equidigital number, since it uses as much as digits as its factorization.

103200302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938484800.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 103200302231 its reverse (132203002301), we get a palindrome (235403304532).

The spelling of 103200302231 in words is "one hundred three billion, two hundred million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 13 7938484787 103200302231