1331200130044 has 12 divisors (see below), whose sum is σ = 2329608340864. Its totient is φ = 665597746944.

The previous prime is 1331200130027. The next prime is 1331200130047. The reversal of 1331200130044 is 4400310021331.

It is a super-2 number, since 2×1331200130044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331200129997 and 1331200130024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331200130047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780069 + ... + 2414755.

Almost surely, 2^{1331200130044} is an apocalyptic number.

It is an amenable number.

1331200130044 is a deficient number, since it is larger than the sum of its proper divisors (998408210820).

1331200130044 is a wasteful number, since it uses less digits than its factorization.

1331200130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159044 (or 1159042 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1331200130044 its reverse (4400310021331), we get a palindrome (5731510151375).

The spelling of 1331200130044 in words is "one trillion, three hundred thirty-one billion, two hundred million, one hundred thirty thousand, forty-four".