131154222044 has 24 divisors (see below), whose sum is σ = 236697552000. Its totient is φ = 63557659760.

The previous prime is 131154222013. The next prime is 131154222077. The reversal of 131154222044 is 440222451131.

It is a happy number.

It is a super-3 number, since 3×131154222044³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131154221998 and 131154222016.

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, 3896894 + ... + 3930405.

It is an arithmetic number, because the mean of its divisors is an integer number (9862398000).

Almost surely, 2^131154222044 is an apocalyptic number.

It is an amenable number.

131154222044 is a deficient number, since it is larger than the sum of its proper divisors (105543329956).

131154222044 is a wasteful number, since it uses less digits than its factorization.

131154222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827433 (or 7827431 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 131154222044 its reverse (440222451131), we get a palindrome (571376673175).

The spelling of 131154222044 in words is "one hundred thirty-one billion, one hundred fifty-four million, two hundred twenty-two thousand, forty-four".