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103131011201 = 126478154583
BaseRepresentation
bin110000000001100010…
…1100101100010000001
3100212012101012012011112
41200003011211202001
53142203014324301
6115213331253105
710310453063021
oct1400305454201
9325171165145
10103131011201
113a812849169
1217ba244a195
1399573a4aaa
144dc4c0ba81
152a3905b9bb
hex1803165881

103131011201 has 4 divisors (see below), whose sum is σ = 103139178432. Its totient is φ = 103122843972.

The previous prime is 103131011189. The next prime is 103131011213. The reversal of 103131011201 is 102110131301.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (103131011189) and next prime (103131011213).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103131011201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103131011701) 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, 4064645 + ... + 4089938.

It is an arithmetic number, because the mean of its divisors is an integer number (25784794608).

Almost surely, 2103131011201 is an apocalyptic number.

It is an amenable number.

103131011201 is a deficient number, since it is larger than the sum of its proper divisors (8167231).

103131011201 is an equidigital number, since it uses as much as digits as its factorization.

103131011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167230.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 103131011201 its reverse (102110131301), we get a palindrome (205241142502).

The spelling of 103131011201 in words is "one hundred three billion, one hundred thirty-one million, eleven thousand, two hundred one".

Divisors: 1 12647 8154583 103131011201