1331301002 has 4 divisors (see below), whose sum is σ = 1996951506. Its totient is φ = 665650500.

The previous prime is 1331300989. The next prime is 1331301029. The reversal of 1331301002 is 2001031331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2001031331 = 13 ⋅153925487.

It can be written as a sum of positive squares in only one way, i.e., 1198613641 + 132687361 = 34621^2 + 11519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332825249 + ... + 332825252.

Almost surely, 2^1331301002 is an apocalyptic number.

1331301002 is a deficient number, since it is larger than the sum of its proper divisors (665650504).

1331301002 is an equidigital number, since it uses as much as digits as its factorization.

1331301002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665650503.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1331301002 is about 36486.9977115136. The cubic root of 1331301002 is about 1100.0829144112.

Adding to 1331301002 its reverse (2001031331), we get a palindrome (3332332333).

The spelling of 1331301002 in words is "one billion, three hundred thirty-one million, three hundred one thousand, two".