1331320321132 has 12 divisors (see below), whose sum is σ = 2330154188656. Its totient is φ = 665561981520.

The previous prime is 1331320321103. The next prime is 1331320321147. The reversal of 1331320321132 is 2311230231331.

It is a super-2 number, since 2×1331320321132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331320321097 and 1331320321106.

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, 24514248 + ... + 24568495.

Almost surely, 2^{1331320321132} is an apocalyptic number.

It is an amenable number.

1331320321132 is a deficient number, since it is larger than the sum of its proper divisors (998833867524).

1331320321132 is a wasteful number, since it uses less digits than its factorization.

1331320321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49089528 (or 49089526 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1331320321132 its reverse (2311230231331), we get a palindrome (3642550552463).

The spelling of 1331320321132 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty-one thousand, one hundred thirty-two".