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23010201031 = 37361689547
BaseRepresentation
bin10101011011100000…
…111100110111000111
32012101121202022202211
4111123200330313013
5334111102413111
614323140244251
71443133324126
oct253340746707
965347668684
1023010201031
119838727674
1245620a0687
13222922138c
141183dc5abd
158ea177521
hex55b83cdc7

23010201031 has 4 divisors (see below), whose sum is σ = 23071890952. Its totient is φ = 22948511112.

The previous prime is 23010201023. The next prime is 23010201037. The reversal of 23010201031 is 13010201032.

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 23010201031 - 23 = 23010201023 is a prime.

It is a super-2 number, since 2×230102010312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010201037) 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, 30844401 + ... + 30845146.

It is an arithmetic number, because the mean of its divisors is an integer number (5767972738).

Almost surely, 223010201031 is an apocalyptic number.

23010201031 is a deficient number, since it is larger than the sum of its proper divisors (61689921).

23010201031 is an equidigital number, since it uses as much as digits as its factorization.

23010201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61689920.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 23010201031 its reverse (13010201032), we get a palindrome (36020402063).

Subtracting from 23010201031 its reverse (13010201032), we obtain a palindrome (9999999999).

The spelling of 23010201031 in words is "twenty-three billion, ten million, two hundred one thousand, thirty-one".

Divisors: 1 373 61689547 23010201031