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23331032011 = 713125442783
BaseRepresentation
bin10101101110101000…
…110100101111001011
32020012222110020010201
4111232220310233023
5340240221011021
614415040553031
71454110333330
oct255650645713
966188406121
1023331032011
119992839741
124631622777
13227a8338b1
1411b485c987
159183ed591
hex56ea34bcb

23331032011 has 8 divisors (see below), whose sum is σ = 26867579904. Its totient is φ = 19845369960.

The previous prime is 23331031967. The next prime is 23331032041. The reversal of 23331032011 is 11023013332.

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 23331032011 - 27 = 23331031883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23331032011.

It is not an unprimeable number, because it can be changed into a prime (23331032041) 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, 12720475 + ... + 12722308.

It is an arithmetic number, because the mean of its divisors is an integer number (3358447488).

Almost surely, 223331032011 is an apocalyptic number.

23331032011 is a deficient number, since it is larger than the sum of its proper divisors (3536547893).

23331032011 is a wasteful number, since it uses less digits than its factorization.

23331032011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25442921.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23331032011 its reverse (11023013332), we get a palindrome (34354045343).

The spelling of 23331032011 in words is "twenty-three billion, three hundred thirty-one million, thirty-two thousand, eleven".

Divisors: 1 7 131 917 25442783 178099481 3333004573 23331032011