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100101332131 = 887112853813
BaseRepresentation
bin101110100111010000…
…0010001110010100011
3100120101020022112210121
41131032200101302203
53120001420112011
6113552542541111
710142414166313
oct1351640216243
9316336275717
10100101332131
11394a8657469
1217497897797
1395937cb698
144bb86bb443
15290d0a3e71
hex174e811ca3

100101332131 has 4 divisors (see below), whose sum is σ = 100214186832. Its totient is φ = 99988477432.

The previous prime is 100101332081. The next prime is 100101332143. The reversal of 100101332131 is 131233101001.

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

It is a cyclic number.

It is not a de Polignac number, because 100101332131 - 29 = 100101331619 is a prime.

It is a super-2 number, since 2×1001013321312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101338131) 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, 56426020 + ... + 56427793.

It is an arithmetic number, because the mean of its divisors is an integer number (25053546708).

Almost surely, 2100101332131 is an apocalyptic number.

100101332131 is a deficient number, since it is larger than the sum of its proper divisors (112854701).

100101332131 is an equidigital number, since it uses as much as digits as its factorization.

100101332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112854700.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 100101332131 its reverse (131233101001), we get a palindrome (231334433132).

The spelling of 100101332131 in words is "one hundred billion, one hundred one million, three hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 887 112853813 100101332131