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101203130131321 = 409247440415969
BaseRepresentation
bin10111000000101100110000…
…100111110010001101111001
3111021022220222010220210012211
4113000230300213302031321
5101231103002303200241
6555124024240535121
730213453623416501
oct2700546047621571
9437286863823184
10101203130131321
112a279008665259
12b425a176214a1
13446155007865a
141adc386d38a01
15ba77d41a6781
hex5c0b309f2379

101203130131321 has 4 divisors (see below), whose sum is σ = 101450570547700. Its totient is φ = 100955689714944.

The previous prime is 101203130131291. The next prime is 101203130131409. The reversal of 101203130131321 is 123131031302101.

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 58554863973225 + 42648266158096 = 7652115^2 + 6530564^2 .

It is a cyclic number.

It is not a de Polignac number, because 101203130131321 - 211 = 101203130129273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101203130131292 and 101203130131301.

It is not an unprimeable number, because it can be changed into a prime (101203130131721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123720207576 + ... + 123720208393.

It is an arithmetic number, because the mean of its divisors is an integer number (25362642636925).

Almost surely, 2101203130131321 is an apocalyptic number.

It is an amenable number.

101203130131321 is a deficient number, since it is larger than the sum of its proper divisors (247440416379).

101203130131321 is an equidigital number, since it uses as much as digits as its factorization.

101203130131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247440416378.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 101203130131321 its reverse (123131031302101), we get a palindrome (224334161433422).

The spelling of 101203130131321 in words is "one hundred one trillion, two hundred three billion, one hundred thirty million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 409 247440415969 101203130131321