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23231213012101 is a prime number
BaseRepresentation
bin1010100100000111100000…
…01100110000010010000101
310001020212211011210202202111
411102003300030300102011
511021110011012341401
6121224134422541021
74615254054323203
oct522036014602205
9101225734722674
1023231213012101
117447336121986
122732446297771
13cc69038c6c23
145a457a7da073
152a446cdd3e51
hex1520f0330485

23231213012101 has 2 divisors, whose sum is σ = 23231213012102. Its totient is φ = 23231213012100.

The previous prime is 23231213012087. The next prime is 23231213012131. The reversal of 23231213012101 is 10121031213232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23096424903876 + 134788108225 = 4805874^2 + 367135^2 .

It is a cyclic number.

It is not a de Polignac number, because 23231213012101 - 211 = 23231213010053 is a prime.

It is a super-2 number, since 2×232312130121012 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231213012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615606506050 + 11615606506051.

It is an arithmetic number, because the mean of its divisors is an integer number (11615606506051).

Almost surely, 223231213012101 is an apocalyptic number.

It is an amenable number.

23231213012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231213012101 is an equidigital number, since it uses as much as digits as its factorization.

23231213012101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23231213012101 its reverse (10121031213232), we get a palindrome (33352244225333).

The spelling of 23231213012101 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred thirteen million, twelve thousand, one hundred one".