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223021313031 = 3116758221607
BaseRepresentation
bin1100111110110100011…
…0110010110000000111
3210022122201221120001210
43033231012302300013
512123221424004111
6250242104422503
722053450611466
oct3175506626007
9708581846053
10223021313031
1186645798440
1237281477a33
13180529312aa
14ab1975a9dd
155c045940a6
hex33ed1b2c07

223021313031 has 8 divisors (see below), whose sum is σ = 324394637184. Its totient is φ = 135164432120.

The previous prime is 223021313029. The next prime is 223021313051. The reversal of 223021313031 is 130313120322.

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 223021313031 - 21 = 223021313029 is a prime.

It is a super-2 number, since 2×2230213130312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223021312989 and 223021313007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021313051) 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, 3379110771 + ... + 3379110836.

It is an arithmetic number, because the mean of its divisors is an integer number (40549329648).

Almost surely, 2223021313031 is an apocalyptic number.

223021313031 is a deficient number, since it is larger than the sum of its proper divisors (101373324153).

223021313031 is a wasteful number, since it uses less digits than its factorization.

223021313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758221621.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 223021313031 its reverse (130313120322), we get a palindrome (353334433353).

The spelling of 223021313031 in words is "two hundred twenty-three billion, twenty-one million, three hundred thirteen thousand, thirty-one".

Divisors: 1 3 11 33 6758221607 20274664821 74340437677 223021313031