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23130210101 = 191217379479
BaseRepresentation
bin10101100010101010…
…101111111100110101
32012200222120102021012
4111202222233330311
5334332313210401
614343104402005
71446121353605
oct254252577465
965628512235
1023130210101
11989a445219
124596316305
13224804c46b
141195d04c05
159059808bb
hex562aaff35

23130210101 has 4 divisors (see below), whose sum is σ = 24347589600. Its totient is φ = 21912830604.

The previous prime is 23130209959. The next prime is 23130210113. The reversal of 23130210101 is 10101203132.

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 23130210101 - 218 = 23129947957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130210151) 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, 608689721 + ... + 608689758.

It is an arithmetic number, because the mean of its divisors is an integer number (6086897400).

Almost surely, 223130210101 is an apocalyptic number.

It is an amenable number.

23130210101 is a deficient number, since it is larger than the sum of its proper divisors (1217379499).

23130210101 is a wasteful number, since it uses less digits than its factorization.

23130210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217379498.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23130210101 its reverse (10101203132), we get a palindrome (33231413233).

The spelling of 23130210101 in words is "twenty-three billion, one hundred thirty million, two hundred ten thousand, one hundred one".

Divisors: 1 19 1217379479 23130210101