128670308131 has 16 divisors (see below), whose sum is σ = 134730694656. Its totient is φ = 122730300000.

The previous prime is 128670308119. The next prime is 128670308141. The reversal of 128670308131 is 131803076821.

It is a cyclic number.

It is not a de Polignac number, because 128670308131 - 2⁵ = 128670308099 is a prime.

It is a super-2 number, since 2×128670308131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128670308141) 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, 10626981 + ... + 10639081.

It is an arithmetic number, because the mean of its divisors is an integer number (8420668416).

Almost surely, 2^128670308131 is an apocalyptic number.

128670308131 is a deficient number, since it is larger than the sum of its proper divisors (6060386525).

128670308131 is a wasteful number, since it uses less digits than its factorization.

128670308131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17034.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 128670308131 in words is "one hundred twenty-eight billion, six hundred seventy million, three hundred eight thousand, one hundred thirty-one".