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2212031110031 = 2548998678069
BaseRepresentation
bin100000001100000111010…
…101000001101110001111
321211110122020210020202022
4200030013111001232033
5242220214431010111
64412105411320355
7315546123126431
oct40140725015617
97743566706668
102212031110031
11783131992026
122b88588b00bb
131307942bb362
14790c476a651
153c8177ba2db
hex20307541b8f

2212031110031 has 4 divisors (see below), whose sum is σ = 2212040043000. Its totient is φ = 2212022177064.

The previous prime is 2212031109917. The next prime is 2212031110033. The reversal of 2212031110031 is 1300111302122.

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 2212031110031 - 214 = 2212031093647 is a prime.

It is a super-2 number, since 2×22120311100312 (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 = 2212031109991 and 2212031110009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212031110033) 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, 4084136 + ... + 4593933.

It is an arithmetic number, because the mean of its divisors is an integer number (553010010750).

Almost surely, 22212031110031 is an apocalyptic number.

2212031110031 is a deficient number, since it is larger than the sum of its proper divisors (8932969).

2212031110031 is an equidigital number, since it uses as much as digits as its factorization.

2212031110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932968.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2212031110031 its reverse (1300111302122), we get a palindrome (3512142412153).

The spelling of 2212031110031 in words is "two trillion, two hundred twelve billion, thirty-one million, one hundred ten thousand, thirty-one".

Divisors: 1 254899 8678069 2212031110031