131022313012 has 12 divisors (see below), whose sum is σ = 231094474240. Its totient is φ = 64995320376.

The previous prime is 131022312979. The next prime is 131022313013. The reversal of 131022313012 is 210313220131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022313013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128958462 + ... + 128959477.

Almost surely, 2^131022313012 is an apocalyptic number.

It is an amenable number.

131022313012 is a deficient number, since it is larger than the sum of its proper divisors (100072161228).

131022313012 is a wasteful number, since it uses less digits than its factorization.

131022313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257918070 (or 257918068 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131022313012 its reverse (210313220131), we get a palindrome (341335533143).

The spelling of 131022313012 in words is "one hundred thirty-one billion, twenty-two million, three hundred thirteen thousand, twelve".