131444233012 has 12 divisors (see below), whose sum is σ = 233798349316. Its totient is φ = 64644704640.

The previous prime is 131444232979. The next prime is 131444233027. The reversal of 131444233012 is 210332444131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64153797796 + 67290435216 = 253286^2 + 259404^2 .

It is a super-2 number, since 2×131444233012² (a number of 23 digits) contains 22 as substring.

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, 269352693 + ... + 269353180.

Almost surely, 2^131444233012 is an apocalyptic number.

It is an amenable number.

131444233012 is a deficient number, since it is larger than the sum of its proper divisors (102354116304).

131444233012 is a wasteful number, since it uses less digits than its factorization.

131444233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538705938 (or 538705936 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131444233012 its reverse (210332444131), we get a palindrome (341776677143).

The spelling of 131444233012 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred thirty-three thousand, twelve".