23211230231131 has 2 divisors, whose sum is σ = 23211230231132. Its totient is φ = 23211230231130.

The previous prime is 23211230231113. The next prime is 23211230231143. The reversal of 23211230231131 is 13113203211232.

Together with previous prime (23211230231113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23211230231131 - 2⁵ = 23211230231099 is a prime.

It is a super-2 number, since 2×23211230231131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23211230231096 and 23211230231105.

It is not a weakly prime, because it can be changed into another prime (23211230231171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605615115565 + 11605615115566.

It is an arithmetic number, because the mean of its divisors is an integer number (11605615115566).

Almost surely, 2^{23211230231131} is an apocalyptic number.

23211230231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211230231131 is an equidigital number, since it uses as much as digits as its factorization.

23211230231131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23211230231131 its reverse (13113203211232), we get a palindrome (36324433442363).

The spelling of 23211230231131 in words is "twenty-three trillion, two hundred eleven billion, two hundred thirty million, two hundred thirty-one thousand, one hundred thirty-one".