131045322445402 has 16 divisors (see below), whose sum is σ = 200616369593760. Its totient is φ = 64184126065488.

The previous prime is 131045322445399. The next prime is 131045322445417. The reversal of 131045322445402 is 204544223540131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731680393 + ... + 2731728364.

It is an arithmetic number, because the mean of its divisors is an integer number (12538523099610).

Almost surely, 2^{131045322445402} is an apocalyptic number.

131045322445402 is a deficient number, since it is larger than the sum of its proper divisors (69571047148358).

131045322445402 is a wasteful number, since it uses less digits than its factorization.

131045322445402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463409005.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 131045322445402 its reverse (204544223540131), we get a palindrome (335589545985533).

The spelling of 131045322445402 in words is "one hundred thirty-one trillion, forty-five billion, three hundred twenty-two million, four hundred forty-five thousand, four hundred two".