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23311031201 = 191226896379
BaseRepresentation
bin10101101101011100…
…100001101110100001
32020011120211002011222
4111231130201232201
5340220110444301
614413044144425
71453445332043
oct255534415641
966146732158
1023311031201
119982518847
124626998115
13227664ccb3
1411b1d33a93
1591679c31b
hex56d721ba1

23311031201 has 4 divisors (see below), whose sum is σ = 24537927600. Its totient is φ = 22084134804.

The previous prime is 23311031179. The next prime is 23311031209. The reversal of 23311031201 is 10213011332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23311031201 - 26 = 23311031137 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 23311031201.

It is not an unprimeable number, because it can be changed into a prime (23311031209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613448171 + ... + 613448208.

It is an arithmetic number, because the mean of its divisors is an integer number (6134481900).

Almost surely, 223311031201 is an apocalyptic number.

It is an amenable number.

23311031201 is a deficient number, since it is larger than the sum of its proper divisors (1226896399).

23311031201 is a wasteful number, since it uses less digits than its factorization.

23311031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226896398.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23311031201 its reverse (10213011332), we get a palindrome (33524042533).

The spelling of 23311031201 in words is "twenty-three billion, three hundred eleven million, thirty-one thousand, two hundred one".

Divisors: 1 19 1226896379 23311031201