102311242031 has 2 divisors, whose sum is σ = 102311242032. Its totient is φ = 102311242030.

The previous prime is 102311242003. The next prime is 102311242049. The reversal of 102311242031 is 130242113201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102311242031 is a prime.

It is a super-2 number, since 2×102311242031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102311241994 and 102311242012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102311245031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155621015 + 51155621016.

It is an arithmetic number, because the mean of its divisors is an integer number (51155621016).

Almost surely, 2^102311242031 is an apocalyptic number.

102311242031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102311242031 is an equidigital number, since it uses as much as digits as its factorization.

102311242031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102311242031 its reverse (130242113201), we get a palindrome (232553355232).

The spelling of 102311242031 in words is "one hundred two billion, three hundred eleven million, two hundred forty-two thousand, thirty-one".