1331121343202 has 12 divisors (see below), whose sum is σ = 2322670915350. Its totient is φ = 570480575616.

The previous prime is 1331121343193. The next prime is 1331121343247. The reversal of 1331121343202 is 2023431211331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 855160713001 + 475960630201 = 924749^2 + 689899^2 .

It is a super-2 number, since 2×1331121343202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6791435327 + ... + 6791435522.

Almost surely, 2^{1331121343202} is an apocalyptic number.

1331121343202 is a deficient number, since it is larger than the sum of its proper divisors (991549572148).

1331121343202 is a wasteful number, since it uses less digits than its factorization.

1331121343202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582870865 (or 13582870858 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1331121343202 its reverse (2023431211331), we get a palindrome (3354552554533).

The spelling of 1331121343202 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, three hundred forty-three thousand, two hundred two".