102144243213 has 8 divisors (see below), whose sum is σ = 151324804800. Its totient is φ = 68096162124.

The previous prime is 102144243209. The next prime is 102144243221. The reversal of 102144243213 is 312342441201.

102144243213 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 442 + 4 + 3 + 213 = 666.

It is not a de Polignac number, because 102144243213 - 2² = 102144243209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3783120119 = 102144243213 / (1 + 0 + 2 + 1 + 4 + 4 + 2 + 4 + 3 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102144243233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891560033 + ... + 1891560086.

It is an arithmetic number, because the mean of its divisors is an integer number (18915600600).

Almost surely, 2^102144243213 is an apocalyptic number.

It is an amenable number.

102144243213 is a deficient number, since it is larger than the sum of its proper divisors (49180561587).

102144243213 is an equidigital number, since it uses as much as digits as its factorization.

102144243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783120128 (or 3783120122 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 102144243213 its reverse (312342441201), we get a palindrome (414486684414).

The spelling of 102144243213 in words is "one hundred two billion, one hundred forty-four million, two hundred forty-three thousand, two hundred thirteen".