102311011393 has 2 divisors, whose sum is σ = 102311011394. Its totient is φ = 102311011392.

The previous prime is 102311011381. The next prime is 102311011441. The reversal of 102311011393 is 393110113201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101551843584 + 759167809 = 318672^2 + 27553^2 .

It is a cyclic number.

It is not a de Polignac number, because 102311011393 - 2²¹ = 102308914241 is a prime.

It is not a weakly prime, because it can be changed into another prime (102311011093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155505696 + 51155505697.

It is an arithmetic number, because the mean of its divisors is an integer number (51155505697).

Almost surely, 2^102311011393 is an apocalyptic number.

It is an amenable number.

102311011393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102311011393 is an equidigital number, since it uses as much as digits as its factorization.

102311011393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 102311011393 its reverse (393110113201), we get a palindrome (495421124594).

The spelling of 102311011393 in words is "one hundred two billion, three hundred eleven million, eleven thousand, three hundred ninety-three".