1331060602 has 4 divisors (see below), whose sum is σ = 1996590906. Its totient is φ = 665530300.

The previous prime is 1331060597. The next prime is 1331060629. The reversal of 1331060602 is 2060601331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 873143401 + 457917201 = 29549^2 + 21399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332765149 + ... + 332765152.

Almost surely, 2^1331060602 is an apocalyptic number.

1331060602 is a deficient number, since it is larger than the sum of its proper divisors (665530304).

1331060602 is an equidigital number, since it uses as much as digits as its factorization.

1331060602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665530303.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1331060602 is about 36483.7032385694. The cubic root of 1331060602 is about 1100.0166945125.

Adding to 1331060602 its reverse (2060601331), we get a palindrome (3391661933).

The spelling of 1331060602 in words is "one billion, three hundred thirty-one million, sixty thousand, six hundred two".