131101232041045 has 16 divisors (see below), whose sum is σ = 190372209216768. Its totient is φ = 84609870762240.

The previous prime is 131101232041019. The next prime is 131101232041067. The reversal of 131101232041045 is 540140232101131.

It is a de Polignac number, because none of the positive numbers 2^k-131101232041045 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 110169101961 + ... + 110169103150.

It is an arithmetic number, because the mean of its divisors is an integer number (11898263076048).

Almost surely, 2^{131101232041045} is an apocalyptic number.

It is an amenable number.

131101232041045 is a deficient number, since it is larger than the sum of its proper divisors (59270977175723).

131101232041045 is a wasteful number, since it uses less digits than its factorization.

131101232041045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220338205140.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 131101232041045 its reverse (540140232101131), we get a palindrome (671241464142176).

The spelling of 131101232041045 in words is "one hundred thirty-one trillion, one hundred one billion, two hundred thirty-two million, forty-one thousand, forty-five".