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103200312331 = 831243377257
BaseRepresentation
bin110000000011100110…
…1111100110000001011
3100212101012121001110001
41200013031330300023
53142323234443311
6115224244503431
710312254116104
oct1400715746013
9325335531401
10103200312331
113a848982126
12180016aab77
13996885a48c
144dd00cb3ab
152a4019a4c1
hex180737cc0b

103200312331 has 4 divisors (see below), whose sum is σ = 104443689672. Its totient is φ = 101956934992.

The previous prime is 103200312307. The next prime is 103200312337. The reversal of 103200312331 is 133213002301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103200312331 is a prime.

It is a super-2 number, since 2×1032003123312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103200312299 and 103200312308.

It is not an unprimeable number, because it can be changed into a prime (103200312337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621688546 + ... + 621688711.

It is an arithmetic number, because the mean of its divisors is an integer number (26110922418).

Almost surely, 2103200312331 is an apocalyptic number.

103200312331 is a deficient number, since it is larger than the sum of its proper divisors (1243377341).

103200312331 is an equidigital number, since it uses as much as digits as its factorization.

103200312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243377340.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103200312331 its reverse (133213002301), we get a palindrome (236413314632).

The spelling of 103200312331 in words is "one hundred three billion, two hundred million, three hundred twelve thousand, three hundred thirty-one".

Divisors: 1 83 1243377257 103200312331