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23321303031 = 3132321935857
BaseRepresentation
bin10101101110000011…
…101101011111110111
32020012022010221111010
4111232003231133313
5340230223144111
614414052243303
71453631543055
oct255603553767
966168127433
1023321303031
1199882a4164
12462a310533
1322788084c0
1411b34491d5
1591762aaa6
hex56e0ed7f7

23321303031 has 48 divisors (see below), whose sum is σ = 35193645536. Its totient is φ = 13654130688.

The previous prime is 23321303017. The next prime is 23321303051. The reversal of 23321303031 is 13030312332.

It is not a de Polignac number, because 23321303031 - 210 = 23321302007 is a prime.

It is a super-2 number, since 2×233213030312 (a number of 22 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 = 23321302989 and 23321303007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321303051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3978855 + ... + 3984711.

Almost surely, 223321303031 is an apocalyptic number.

23321303031 is a deficient number, since it is larger than the sum of its proper divisors (11872342505).

23321303031 is a wasteful number, since it uses less digits than its factorization.

23321303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112 (or 6089 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23321303031 its reverse (13030312332), we get a palindrome (36351615363).

The spelling of 23321303031 in words is "twenty-three billion, three hundred twenty-one million, three hundred three thousand, thirty-one".

Divisors: 1 3 13 23 39 69 193 299 529 579 897 1587 2509 4439 5857 6877 7527 13317 17571 20631 57707 76141 102097 134711 173121 228423 306291 404133 1130401 1327261 1751243 3098353 3391203 3981783 5253729 9295059 14695213 25999223 40278589 44085639 77997669 120835767 337989899 597982129 1013969697 1793946387 7773767677 23321303031