128102034243131 has 16 divisors (see below), whose sum is σ = 138393196374048. Its totient is φ = 117873334080000.

The previous prime is 128102034243109. The next prime is 128102034243137. The reversal of 128102034243131 is 131342430201821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128102034243131 - 2⁴² = 123703987732027 is a prime.

It is a super-2 number, since 2×128102034243131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128102034243091 and 128102034243100.

It is not an unprimeable number, because it can be changed into a prime (128102034243137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361692131 + ... + 362046131.

It is an arithmetic number, because the mean of its divisors is an integer number (8649574773378).

Almost surely, 2^{128102034243131} is an apocalyptic number.

128102034243131 is a deficient number, since it is larger than the sum of its proper divisors (10291162130917).

128102034243131 is a wasteful number, since it uses less digits than its factorization.

128102034243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442142.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 128102034243131 its reverse (131342430201821), we get a palindrome (259444464444952).

The spelling of 128102034243131 in words is "one hundred twenty-eight trillion, one hundred two billion, thirty-four million, two hundred forty-three thousand, one hundred thirty-one".