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220033312031 = 1382972039971
BaseRepresentation
bin1100110011101100000…
…0011110010100011111
3210000221111111101021002
43030323000132110133
512101112011441111
6245025405300515
721616426202351
oct3147300362437
9700844441232
10220033312031
1185352083025
123678886473b
131799788b470
14a9149990d1
155acc0c063b
hex333b01e51f

220033312031 has 8 divisors (see below), whose sum is σ = 236987627184. Its totient is φ = 203083093440.

The previous prime is 220033312019. The next prime is 220033312039. The reversal of 220033312031 is 130213330022.

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 220033312031 - 210 = 220033311007 is a prime.

It is a super-2 number, since 2×2200333120312 (a number of 23 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 = 220033311994 and 220033312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220033312039) 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, 912125 + ... + 1127846.

It is an arithmetic number, because the mean of its divisors is an integer number (29623453398).

Almost surely, 2220033312031 is an apocalyptic number.

220033312031 is a deficient number, since it is larger than the sum of its proper divisors (16954315153).

220033312031 is a wasteful number, since it uses less digits than its factorization.

220033312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048281.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 220033312031 its reverse (130213330022), we get a palindrome (350246642053).

The spelling of 220033312031 in words is "two hundred twenty billion, thirty-three million, three hundred twelve thousand, thirty-one".

Divisors: 1 13 8297 107861 2039971 26519623 16925639387 220033312031