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11212211032031 = 47934496786761
BaseRepresentation
bin1010001100101000101111…
…0110110000111111011111
31110200212200021011001200102
42203022023312300333133
52432200102011011111
635502452454251315
72235025020166652
oct243121366607737
943625607131612
1011212211032031
11363308790a219
121311002956b3b
136343cb525569
142aa9612c9899
151469c6b8713b
hexa328bdb0fdf

11212211032031 has 8 divisors (see below), whose sum is σ = 11238877872000. Its totient is φ = 11185557773440.

The previous prime is 11212211032019. The next prime is 11212211032049. The reversal of 11212211032031 is 13023011221211.

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-11212211032031 is a prime.

It is a super-2 number, since 2×112122110320312 (a number of 27 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 = 11212211031994 and 11212211032012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212211032081) 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, 1741310 + ... + 5045451.

It is an arithmetic number, because the mean of its divisors is an integer number (1404859734000).

Almost surely, 211212211032031 is an apocalyptic number.

11212211032031 is a deficient number, since it is larger than the sum of its proper divisors (26666839969).

11212211032031 is an equidigital number, since it uses as much as digits as its factorization.

11212211032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790689.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11212211032031 its reverse (13023011221211), we get a palindrome (24235222253242).

The spelling of 11212211032031 in words is "eleven trillion, two hundred twelve billion, two hundred eleven million, thirty-two thousand, thirty-one".

Divisors: 1 479 3449 1652071 6786761 3250858519 23407538689 11212211032031