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103100103231 = 391253376609
BaseRepresentation
bin110000000000100111…
…1101011101000111111
3100212010020000220101220
41200001033223220333
53142122111300411
6115210305004423
710306626263226
oct1400117535077
9325106026356
10103100103231
113a7a7358594
1217b94023713
139950b72758
144dc0a83cbd
152a364a3b06
hex18013eba3f

103100103231 has 8 divisors (see below), whose sum is σ = 137468675760. Its totient is φ = 68732466432.

The previous prime is 103100103181. The next prime is 103100103257. The reversal of 103100103231 is 132301001301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103100103231 - 210 = 103100102207 is a prime.

It is a super-2 number, since 2×1031001032312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103100103231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100105231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85455 + ... + 462063.

It is an arithmetic number, because the mean of its divisors is an integer number (17183584470).

Almost surely, 2103100103231 is an apocalyptic number.

103100103231 is a deficient number, since it is larger than the sum of its proper divisors (34368572529).

103100103231 is an equidigital number, since it uses as much as digits as its factorization.

103100103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467865.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103100103231 its reverse (132301001301), we get a palindrome (235401104532).

The spelling of 103100103231 in words is "one hundred three billion, one hundred million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 3 91253 273759 376609 1129827 34366701077 103100103231