Search a number
-
+
1202100300031 = 4492677283519
BaseRepresentation
bin10001011111100010110…
…000101110100011111111
311020220211102210101222111
4101133202300232203333
5124143400134100111
62320123125154451
7152564110646521
oct21374260564377
94226742711874
101202100300031
1142389830a644
12174b84b5ba27
138948577c2a7
1442279451a11
15214092b1a21
hex117e2c2e8ff

1202100300031 has 4 divisors (see below), whose sum is σ = 1204777584000. Its totient is φ = 1199423016064.

The previous prime is 1202100300029. The next prime is 1202100300047. The reversal of 1202100300031 is 1300030012021.

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 1202100300031 - 21 = 1202100300029 is a prime.

It is a super-2 number, since 2×12021003000312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202100299984 and 1202100300020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100303031) 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, 1338641311 + ... + 1338642208.

It is an arithmetic number, because the mean of its divisors is an integer number (301194396000).

Almost surely, 21202100300031 is an apocalyptic number.

1202100300031 is a deficient number, since it is larger than the sum of its proper divisors (2677283969).

1202100300031 is an equidigital number, since it uses as much as digits as its factorization.

1202100300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677283968.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1202100300031 its reverse (1300030012021), we get a palindrome (2502130312052).

The spelling of 1202100300031 in words is "one trillion, two hundred two billion, one hundred million, three hundred thousand, thirty-one".

Divisors: 1 449 2677283519 1202100300031