131431230134326 has 16 divisors (see below), whose sum is σ = 202897734511824. Its totient is φ = 63816319826784.

The previous prime is 131431230134279. The next prime is 131431230134341. The reversal of 131431230134326 is 623431032134131.

It is a congruent number.

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, 4416950781 + ... + 4416980536.

It is an arithmetic number, because the mean of its divisors is an integer number (12681108406989).

Almost surely, 2^{131431230134326} is an apocalyptic number.

131431230134326 is a deficient number, since it is larger than the sum of its proper divisors (71466504377498).

131431230134326 is a wasteful number, since it uses less digits than its factorization.

131431230134326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833931535.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 131431230134326 its reverse (623431032134131), we get a palindrome (754862262268457).

The spelling of 131431230134326 in words is "one hundred thirty-one trillion, four hundred thirty-one billion, two hundred thirty million, one hundred thirty-four thousand, three hundred twenty-six".