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2103231310031 = 33715973907979
BaseRepresentation
bin11110100110110010010…
…110101110100011001111
321110001210210202202021002
4132212302112232203033
5233424404203410111
64250113334130515
7304645014106355
oct36466226564317
97401723682232
102103231310031
11740a80274a45
1229b753ab0a3b
13123445655987
1473b22b297d5
1539a9ac4c63b
hex1e9b25ae8cf

2103231310031 has 8 divisors (see below), whose sum is σ = 2110793789520. Its totient is φ = 2095676650368.

The previous prime is 2103231310013. The next prime is 2103231310157. The reversal of 2103231310031 is 1300131323012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2103231310031 is a prime.

It is a super-2 number, since 2×21032313100312 (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 = 2103231309985 and 2103231310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103231319031) 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, 1415801 + ... + 2492178.

It is an arithmetic number, because the mean of its divisors is an integer number (263849223690).

Almost surely, 22103231310031 is an apocalyptic number.

2103231310031 is a deficient number, since it is larger than the sum of its proper divisors (7562479489).

2103231310031 is a wasteful number, since it uses less digits than its factorization.

2103231310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909913.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2103231310031 its reverse (1300131323012), we get a palindrome (3403362633043).

The spelling of 2103231310031 in words is "two trillion, one hundred three billion, two hundred thirty-one million, three hundred ten thousand, thirty-one".

Divisors: 1 337 1597 538189 3907979 1316988923 6241042463 2103231310031