131122233148 has 24 divisors (see below), whose sum is σ = 230149775520. Its totient is φ = 65365440000.

The previous prime is 131122233133. The next prime is 131122233149. The reversal of 131122233148 is 841332221131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122233149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838148 + ... + 1908148.

It is an arithmetic number, because the mean of its divisors is an integer number (9589573980).

Almost surely, 2^131122233148 is an apocalyptic number.

It is an amenable number.

131122233148 is a deficient number, since it is larger than the sum of its proper divisors (99027542372).

131122233148 is a wasteful number, since it uses less digits than its factorization.

131122233148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71397 (or 71395 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 131122233148 its reverse (841332221131), we get a palindrome (972454454279).

The spelling of 131122233148 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, one hundred forty-eight".