102443130311 has 4 divisors (see below), whose sum is σ = 102542494224. Its totient is φ = 102343766400.

The previous prime is 102443130277. The next prime is 102443130323. The reversal of 102443130311 is 113031344201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102443130311 - 2⁶ = 102443130247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102443130011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49680410 + ... + 49682471.

It is an arithmetic number, because the mean of its divisors is an integer number (25635623556).

Almost surely, 2^102443130311 is an apocalyptic number.

102443130311 is a deficient number, since it is larger than the sum of its proper divisors (99363913).

102443130311 is an equidigital number, since it uses as much as digits as its factorization.

102443130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99363912.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102443130311 its reverse (113031344201), we get a palindrome (215474474512).

The spelling of 102443130311 in words is "one hundred two billion, four hundred forty-three million, one hundred thirty thousand, three hundred eleven".