1331020030224 has 20 divisors (see below), whose sum is σ = 3438468411536. Its totient is φ = 443673343392.

The previous prime is 1331020030199. The next prime is 1331020030229. The reversal of 1331020030224 is 4220300201331.

It is a super-2 number, since 2×1331020030224² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331020030224.

It is not an unprimeable number, because it can be changed into a prime (1331020030229) 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, 13864791934 + ... + 13864792029.

Almost surely, 2^{1331020030224} is an apocalyptic number.

It is an amenable number.

1331020030224 is an abundant number, since it is smaller than the sum of its proper divisors (2107448381312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331020030224 is a wasteful number, since it uses less digits than its factorization.

1331020030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27729583974 (or 27729583968 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1331020030224 its reverse (4220300201331), we get a palindrome (5551320231555).

The spelling of 1331020030224 in words is "one trillion, three hundred thirty-one billion, twenty million, thirty thousand, two hundred twenty-four".