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23301311313 = 373323333911
BaseRepresentation
bin10101101100110111…
…011100101101010001
32020010220112021000010
4111230313130231101
5340210113430223
614412055545133
71453266610140
oct255467345521
966126467003
1023301311313
119977a8a085
12462368b1a9
132274628a97
1411b0923757
159159cc393
hex56cddcb51

23301311313 has 16 divisors (see below), whose sum is σ = 35517551616. Its totient is φ = 13310988240.

The previous prime is 23301311303. The next prime is 23301311329. The reversal of 23301311313 is 31311310332.

It is not a de Polignac number, because 23301311313 - 25 = 23301311281 is a prime.

It is a super-2 number, since 2×233013113132 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23301311313.

It is not an unprimeable number, because it can be changed into a prime (23301311303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97173 + ... + 236738.

It is an arithmetic number, because the mean of its divisors is an integer number (2219846976).

Almost surely, 223301311313 is an apocalyptic number.

It is an amenable number.

23301311313 is a deficient number, since it is larger than the sum of its proper divisors (12216240303).

23301311313 is a wasteful number, since it uses less digits than its factorization.

23301311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337244.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 23301311313 its reverse (31311310332), we get a palindrome (54612621645).

The spelling of 23301311313 in words is "twenty-three billion, three hundred one million, three hundred eleven thousand, three hundred thirteen".

Divisors: 1 3 7 21 3323 9969 23261 69783 333911 1001733 2337377 7012131 1109586253 3328758759 7767103771 23301311313