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203033223031 = 10115113312781
BaseRepresentation
bin1011110100010110111…
…0010001111101110111
3201102001201211101021011
42331011232101331313
511311303001114111
6233134442333051
720445231630562
oct2750556217567
9642051741234
10203033223031
1179118a635a1
12334234ba187
13161b88666c2
149b80c954d9
1554348cc021
hex2f45b91f77

203033223031 has 8 divisors (see below), whose sum is σ = 206401372128. Its totient is φ = 199691700000.

The previous prime is 203033223011. The next prime is 203033223049. The reversal of 203033223031 is 130322330302.

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 203033223031 - 29 = 203033222519 is a prime.

It is a super-2 number, since 2×2030332230312 (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 = 203033222993 and 203033223011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203033223011) 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, 6641140 + ... + 6671641.

It is an arithmetic number, because the mean of its divisors is an integer number (25800171516).

Almost surely, 2203033223031 is an apocalyptic number.

203033223031 is a deficient number, since it is larger than the sum of its proper divisors (3368149097).

203033223031 is a wasteful number, since it uses less digits than its factorization.

203033223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313033.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203033223031 its reverse (130322330302), we get a palindrome (333355553333).

The spelling of 203033223031 in words is "two hundred three billion, thirty-three million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 101 151 15251 13312781 1344590881 2010229931 203033223031