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10311110311021 = 134318445635619
BaseRepresentation
bin1001011000001011111000…
…0100010011110001101101
31100111201210000011120002021
42112002332010103301231
52322414123214423041
633532505250430141
72112644632351162
oct226027604236155
940451700146067
1010311110311021
113315a0aa62443
1211a6441b92351
1359a4449c5560
142790bba58069
1512d337bd0cd1
hex960be113c6d

10311110311021 has 8 divisors (see below), whose sum is σ = 11362511541920. Its totient is φ = 9296600351472.

The previous prime is 10311110310997. The next prime is 10311110311079. The reversal of 10311110311021 is 12011301111301.

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 10311110311021 - 25 = 10311110310989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311110310986 and 10311110311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311110311421) 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, 9222817251 + ... + 9222818368.

It is an arithmetic number, because the mean of its divisors is an integer number (1420313942740).

Almost surely, 210311110311021 is an apocalyptic number.

It is an amenable number.

10311110311021 is a deficient number, since it is larger than the sum of its proper divisors (1051401230899).

10311110311021 is a wasteful number, since it uses less digits than its factorization.

10311110311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18445635675.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 10311110311021 its reverse (12011301111301), we get a palindrome (22322411422322).

The spelling of 10311110311021 in words is "ten trillion, three hundred eleven billion, one hundred ten million, three hundred eleven thousand, twenty-one".

Divisors: 1 13 43 559 18445635619 239793263047 793162331617 10311110311021