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103100331131 = 722147665039
BaseRepresentation
bin110000000000101000…
…0100011010001111011
3100212010020110111000122
41200001100203101323
53142122141044011
6115210313523455
710306631232530
oct1400120432173
9325106414018
10103100331131
113a7a74a3836
1217b9411358b
139950c223c5
144dc0b02d87
152a364eb3db
hex180142347b

103100331131 has 8 divisors (see below), whose sum is σ = 117834447360. Its totient is φ = 88367589288.

The previous prime is 103100331127. The next prime is 103100331193. The reversal of 103100331131 is 131133001301.

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

It is a cyclic number.

It is not a de Polignac number, because 103100331131 - 22 = 103100331127 is a prime.

It is a super-2 number, since 2×1031003311312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103100331931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177491 + ... + 487548.

It is an arithmetic number, because the mean of its divisors is an integer number (14729305920).

Almost surely, 2103100331131 is an apocalyptic number.

103100331131 is a deficient number, since it is larger than the sum of its proper divisors (14734116229).

103100331131 is an equidigital number, since it uses as much as digits as its factorization.

103100331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687193.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 103100331131 its reverse (131133001301), we get a palindrome (234233332432).

The spelling of 103100331131 in words is "one hundred three billion, one hundred million, three hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 7 22147 155029 665039 4655273 14728618733 103100331131