131154220543312 has 20 divisors (see below), whose sum is σ = 254168444626816. Its totient is φ = 65562363865440.

The previous prime is 131154220543289. The next prime is 131154220543327. The reversal of 131154220543312 is 213345022451131.

It is a congruent number.

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, 921577014 + ... + 921719317.

Almost surely, 2^{131154220543312} is an apocalyptic number.

It is an amenable number.

131154220543312 is a deficient number, since it is larger than the sum of its proper divisors (123014224083504).

131154220543312 is a wasteful number, since it uses less digits than its factorization.

131154220543312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843300786 (or 1843300780 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 131154220543312 its reverse (213345022451131), we get a palindrome (344499242994443).

The spelling of 131154220543312 in words is "one hundred thirty-one trillion, one hundred fifty-four billion, two hundred twenty million, five hundred forty-three thousand, three hundred twelve".