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2123102120331 = 31494749669173
BaseRepresentation
bin11110111001010010101…
…111110110100110001011
321111222002122012111120010
4132321102233312212023
5234241103120322311
64303201210403003
7306250310156043
oct36712257664613
97458078174503
102123102120331
11749447885915
122a357a730463
131252913398aa
1474a89bc2723
153a360499da6
hex1ee52bf698b

2123102120331 has 8 divisors (see below), whose sum is σ = 2849801504400. Its totient is φ = 1405902074912.

The previous prime is 2123102120299. The next prime is 2123102120387. The reversal of 2123102120331 is 1330212013212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123102120331 - 25 = 2123102120299 is a prime.

It is a super-2 number, since 2×21231021203312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123102120298 and 2123102120307.

It is not an unprimeable number, because it can be changed into a prime (2123102128331) 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, 2374834140 + ... + 2374835033.

It is an arithmetic number, because the mean of its divisors is an integer number (356225188050).

Almost surely, 22123102120331 is an apocalyptic number.

2123102120331 is a deficient number, since it is larger than the sum of its proper divisors (726699384069).

2123102120331 is a wasteful number, since it uses less digits than its factorization.

2123102120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749669325.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2123102120331 its reverse (1330212013212), we get a palindrome (3453314133543).

The spelling of 2123102120331 in words is "two trillion, one hundred twenty-three billion, one hundred two million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 3 149 447 4749669173 14249007519 707700706777 2123102120331