131144002013402 has 32 divisors (see below), whose sum is σ = 225434167345152. Its totient is φ = 56050640362224.

The previous prime is 131144002013389. The next prime is 131144002013419. The reversal of 131144002013402 is 204310200441131.

It is a super-2 number, since 2×131144002013402² (a number of 29 digits) contains 22 as substring.

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, 40383713 + ... + 43510139.

It is an arithmetic number, because the mean of its divisors is an integer number (7044817729536).

Almost surely, 2^{131144002013402} is an apocalyptic number.

131144002013402 is a deficient number, since it is larger than the sum of its proper divisors (94290165331750).

131144002013402 is a wasteful number, since it uses less digits than its factorization.

131144002013402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134642.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131144002013402 its reverse (204310200441131), we get a palindrome (335454202454533).

The spelling of 131144002013402 in words is "one hundred thirty-one trillion, one hundred forty-four billion, two million, thirteen thousand, four hundred two".