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3111223013 = 53127563821
BaseRepresentation
bin1011100101110001…
…0111111011100101
322000211022111121222
42321130113323211
522332433114023
61232420150125
7140045650013
oct27134277345
98024274558
103111223013
111357227998
12729b38345
133a7757482
142172b98b3
15133213cc8
hexb9717ee5

3111223013 has 16 divisors (see below), whose sum is σ = 3204458496. Its totient is φ = 3019423680.

The previous prime is 3111222991. The next prime is 3111223021. The reversal of 3111223013 is 3103221113.

It is a cyclic number.

It is not a de Polignac number, because 3111223013 - 220 = 3110174437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111222982 and 3111223000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111223513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789143 + ... + 3789963.

It is an arithmetic number, because the mean of its divisors is an integer number (200278656).

Almost surely, 23111223013 is an apocalyptic number.

It is an amenable number.

3111223013 is a deficient number, since it is larger than the sum of its proper divisors (93235483).

3111223013 is a wasteful number, since it uses less digits than its factorization.

3111223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3111223013 is about 55778.3382057946. The cubic root of 3111223013 is about 1459.8572158170.

Adding to 3111223013 its reverse (3103221113), we get a palindrome (6214444126).

The spelling of 3111223013 in words is "three billion, one hundred eleven million, two hundred twenty-three thousand, thirteen".

Divisors: 1 53 127 563 821 6731 29839 43513 71501 104267 462223 3789553 5526151 24497819 58702321 3111223013