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10031031032101 = 43231723202953
BaseRepresentation
bin1001000111111000100000…
…0010101001100100100101
31022111221211210121000100121
42101332020002221210211
52303322022421011401
633200105251441541
72053501204641532
oct221761002514445
938457753530317
1010031031032101
1132181555667a2
1211600b7bb62b1
13579bcb004491
1426970c481d89
15125de432cca1
hex91f880a9925

10031031032101 has 4 divisors (see below), whose sum is σ = 10031054667372. Its totient is φ = 10031007396832.

The previous prime is 10031031032083. The next prime is 10031031032117. The reversal of 10031031032101 is 10123013013001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3105454572900 + 6925576459201 = 1762230^2 + 2631649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10031031032101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031031032401) 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, 11169160 + ... + 12033793.

It is an arithmetic number, because the mean of its divisors is an integer number (2507763666843).

Almost surely, 210031031032101 is an apocalyptic number.

It is an amenable number.

10031031032101 is a deficient number, since it is larger than the sum of its proper divisors (23635271).

10031031032101 is an equidigital number, since it uses as much as digits as its factorization.

10031031032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23635270.

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

Adding to 10031031032101 its reverse (10123013013001), we get a palindrome (20154044045102).

The spelling of 10031031032101 in words is "ten trillion, thirty-one billion, thirty-one million, thirty-two thousand, one hundred one".

Divisors: 1 432317 23202953 10031031032101