131402304034402 has 8 divisors (see below), whose sum is σ = 197122226053212. Its totient is φ = 65694895350000.

The previous prime is 131402304034357. The next prime is 131402304034429. The reversal of 131402304034402 is 204430403204131.

It can be written as a sum of positive squares in 2 ways, for example, as 120947887612161 + 10454416422241 = 10997631^2 + 3233329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128307349 + ... + 3128349352.

Almost surely, 2^{131402304034402} is an apocalyptic number.

131402304034402 is a deficient number, since it is larger than the sum of its proper divisors (65719922018810).

131402304034402 is a wasteful number, since it uses less digits than its factorization.

131402304034402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256667204.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 131402304034402 its reverse (204430403204131), we get a palindrome (335832707238533).

The spelling of 131402304034402 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred four million, thirty-four thousand, four hundred two".