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23233021031 = 115441388181
BaseRepresentation
bin10101101000110010…
…111100010001100111
32012222011000202100102
4111220302330101213
5340040123133111
614401220134315
71451510264123
oct255062742147
965864022312
1023233021031
119942486630
12460483739b
13226343852c
1411a5828583
1590e9dd13b
hex568cbc467

23233021031 has 8 divisors (see below), whose sum is σ = 25349837328. Its totient is φ = 21116992000.

The previous prime is 23233020989. The next prime is 23233021061. The reversal of 23233021031 is 13012033232.

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 23233021031 - 234 = 6053151847 is a prime.

It is a super-2 number, since 2×232330210312 (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 = 23233020994 and 23233021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233021061) 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, 134240 + ... + 253941.

It is an arithmetic number, because the mean of its divisors is an integer number (3168729666).

Almost surely, 223233021031 is an apocalyptic number.

23233021031 is a deficient number, since it is larger than the sum of its proper divisors (2116816297).

23233021031 is a wasteful number, since it uses less digits than its factorization.

23233021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393633.

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

Adding to 23233021031 its reverse (13012033232), we get a palindrome (36245054263).

The spelling of 23233021031 in words is "twenty-three billion, two hundred thirty-three million, twenty-one thousand, thirty-one".

Divisors: 1 11 5441 59851 388181 4269991 2112092821 23233021031