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23311330031 = 116841309781
BaseRepresentation
bin10101101101011101…
…101010101011101111
32020011121101021002202
4111231131222223233
5340220200030111
614413054412115
71453451015213
oct255535525357
966147337082
1023311330031
119982702310
124626b0103b
132276726012
1411b1db0943
1591680ab3b
hex56d76aaef

23311330031 has 8 divisors (see below), whose sum is σ = 25434341328. Its totient is φ = 21188952000.

The previous prime is 23311330027. The next prime is 23311330057. The reversal of 23311330031 is 13003311332.

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 23311330031 - 22 = 23311330027 is a prime.

It is a super-2 number, since 2×233113300312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23311329985 and 23311330012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311330061) 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 7 ways as a sum of consecutive naturals, for example, 79640 + ... + 230141.

It is an arithmetic number, because the mean of its divisors is an integer number (3179292666).

Almost surely, 223311330031 is an apocalyptic number.

23311330031 is a deficient number, since it is larger than the sum of its proper divisors (2123011297).

23311330031 is a wasteful number, since it uses less digits than its factorization.

23311330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316633.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 23311330031 its reverse (13003311332), we get a palindrome (36314641363).

The spelling of 23311330031 in words is "twenty-three billion, three hundred eleven million, three hundred thirty thousand, thirty-one".

Divisors: 1 11 6841 75251 309781 3407591 2119211821 23311330031