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100012311131 = 198536170933
BaseRepresentation
bin101110100100100110…
…0101100001001011011
3100120011000210210221112
41131021030230021123
53114311122424011
6113540042530535
710140253422005
oct1351114541133
9316130723845
10100012311131
1139462384697
1217471b06a4b
13957b230235
144baa947375
15290536c58b
hex174932c25b

100012311131 has 8 divisors (see below), whose sum is σ = 105399552720. Its totient is φ = 94637413152.

The previous prime is 100012311127. The next prime is 100012311181. The reversal of 100012311131 is 131113210001.

It is a happy number.

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 100012311131 - 22 = 100012311127 is a prime.

It is a super-2 number, since 2×1000123111312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100012311181) 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, 3069260 + ... + 3101673.

It is an arithmetic number, because the mean of its divisors is an integer number (13174944090).

Almost surely, 2100012311131 is an apocalyptic number.

100012311131 is a deficient number, since it is larger than the sum of its proper divisors (5387241589).

100012311131 is an equidigital number, since it uses as much as digits as its factorization.

100012311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171805.

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

Adding to 100012311131 its reverse (131113210001), we get a palindrome (231125521132).

The spelling of 100012311131 in words is "one hundred billion, twelve million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 19 853 16207 6170933 117247727 5263805849 100012311131