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23231310129971 is a prime number
BaseRepresentation
bin1010100100000111101011…
…11111001110101100110011
310001020220001221112212102122
411102003311333032230303
511021110210343124341
6121224152212304455
74615256343652526
oct522036577165463
9101226057485378
1023231310129971
117447385a24a89
12273247291212b
13cc691aa6b918
145a458967abbd
152a44766b994b
hex1520f5fceb33

23231310129971 has 2 divisors, whose sum is σ = 23231310129972. Its totient is φ = 23231310129970.

The previous prime is 23231310129959. The next prime is 23231310130043. The reversal of 23231310129971 is 17992101313232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23231310129971 - 238 = 22956432223027 is a prime.

It is not a weakly prime, because it can be changed into another prime (23231310129941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615655064985 + 11615655064986.

It is an arithmetic number, because the mean of its divisors is an integer number (11615655064986).

Almost surely, 223231310129971 is an apocalyptic number.

23231310129971 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231310129971 is an equidigital number, since it uses as much as digits as its factorization.

23231310129971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 23231310129971 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred ten million, one hundred twenty-nine thousand, nine hundred seventy-one".