131115232340402 has 32 divisors (see below), whose sum is σ = 209401779000960. Its totient is φ = 61357630775040.

The previous prime is 131115232340401. The next prime is 131115232340423. The reversal of 131115232340402 is 204043232511131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131115232340401) 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, 139467323 + ... + 140404289.

It is an arithmetic number, because the mean of its divisors is an integer number (6543805593780).

Almost surely, 2^{131115232340402} is an apocalyptic number.

131115232340402 is a deficient number, since it is larger than the sum of its proper divisors (78286546660558).

131115232340402 is a wasteful number, since it uses less digits than its factorization.

131115232340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959906.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 131115232340402 its reverse (204043232511131), we get a palindrome (335158464851533).

The spelling of 131115232340402 in words is "one hundred thirty-one trillion, one hundred fifteen billion, two hundred thirty-two million, three hundred forty thousand, four hundred two".