102231023131 has 2 divisors, whose sum is σ = 102231023132. Its totient is φ = 102231023130.

The previous prime is 102231023129. The next prime is 102231023179. The reversal of 102231023131 is 131320132201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102231023131 - 2¹ = 102231023129 is a prime.

It is a super-2 number, since 2×102231023131² (a number of 23 digits) contains 22 as substring.

Together with 102231023129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 102231023099 and 102231023108.

It is not a weakly prime, because it can be changed into another prime (102231723131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115511565 + 51115511566.

It is an arithmetic number, because the mean of its divisors is an integer number (51115511566).

Almost surely, 2^102231023131 is an apocalyptic number.

102231023131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231023131 is an equidigital number, since it uses as much as digits as its factorization.

102231023131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102231023131 its reverse (131320132201), we get a palindrome (233551155332).

The spelling of 102231023131 in words is "one hundred two billion, two hundred thirty-one million, twenty-three thousand, one hundred thirty-one".