131011142020402 has 32 divisors (see below), whose sum is σ = 238660226921088. Its totient is φ = 52654054807296.

The previous prime is 131011142020301. The next prime is 131011142020433. The reversal of 131011142020402 is 204020241110131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993556788 + ... + 993688639.

It is an arithmetic number, because the mean of its divisors is an integer number (7458132091284).

Almost surely, 2^{131011142020402} is an apocalyptic number.

131011142020402 is a deficient number, since it is larger than the sum of its proper divisors (107649084900686).

131011142020402 is a wasteful number, since it uses less digits than its factorization.

131011142020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987245730.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131011142020402 its reverse (204020241110131), we get a palindrome (335031383130533).

The spelling of 131011142020402 in words is "one hundred thirty-one trillion, eleven billion, one hundred forty-two million, twenty thousand, four hundred two".