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23010113131 = 49919460949
BaseRepresentation
bin10101011011100000…
…100111011001101011
32012101121120212012021
4111123200213121223
5334111042110011
614323134325311
71443132506635
oct253340473153
965347525167
1023010113131
119838677625
124562059837
1322291c0375
141183da1a55
158ea15b471
hex55b82766b

23010113131 has 4 divisors (see below), whose sum is σ = 23010624000. Its totient is φ = 23009602264.

The previous prime is 23010113129. The next prime is 23010113143. The reversal of 23010113131 is 13131101032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23010113131 - 21 = 23010113129 is a prime.

It is a super-2 number, since 2×230101131312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23010117131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180556 + ... + 280393.

It is an arithmetic number, because the mean of its divisors is an integer number (5752656000).

Almost surely, 223010113131 is an apocalyptic number.

23010113131 is a deficient number, since it is larger than the sum of its proper divisors (510869).

23010113131 is an equidigital number, since it uses as much as digits as its factorization.

23010113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510868.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 23010113131 its reverse (13131101032), we get a palindrome (36141214163).

The spelling of 23010113131 in words is "twenty-three billion, ten million, one hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 49919 460949 23010113131