1328876031232 has 18 divisors (see below), whose sum is σ = 2652561140978. Its totient is φ = 664438015488.

The previous prime is 1328876031229. The next prime is 1328876031239. The reversal of 1328876031232 is 2321306788231.

It can be written as a sum of positive squares in only one way, i.e., 1288097883136 + 40778148096 = 1134944^2 + 201936^2 .

It is a super-2 number, since 2×1328876031232² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328876031239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595460743 + ... + 2595461254.

Almost surely, 2^{1328876031232} is an apocalyptic number.

It is an amenable number.

1328876031232 is a deficient number, since it is larger than the sum of its proper divisors (1323685109746).

1328876031232 is an frugal number, since it uses more digits than its factorization.

1328876031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190922013 (or 5190921999 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 1328876031232 in words is "one trillion, three hundred twenty-eight billion, eight hundred seventy-six million, thirty-one thousand, two hundred thirty-two".