102444424131 has 64 divisors (see below), whose sum is σ = 167074338816. Its totient is φ = 54560563200.

The previous prime is 102444424127. The next prime is 102444424241. The reversal of 102444424131 is 131424444201.

It is a happy number.

It is not a de Polignac number, because 102444424131 - 2² = 102444424127 is a prime.

It is a super-2 number, since 2×102444424131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102444424531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18552651 + ... + 18558171.

It is an arithmetic number, because the mean of its divisors is an integer number (2610536544).

Almost surely, 2^102444424131 is an apocalyptic number.

102444424131 is a deficient number, since it is larger than the sum of its proper divisors (64629914685).

102444424131 is a wasteful number, since it uses less digits than its factorization.

102444424131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 102444424131 its reverse (131424444201), we get a palindrome (233868868332).

The spelling of 102444424131 in words is "one hundred two billion, four hundred forty-four million, four hundred twenty-four thousand, one hundred thirty-one".