1331321102 has 16 divisors (see below), whose sum is σ = 2182660992. Its totient is φ = 606293760.

The previous prime is 1331321099. The next prime is 1331321111. The reversal of 1331321102 is 2011231331.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630503 + ... + 632610.

It is an arithmetic number, because the mean of its divisors is an integer number (136416312).

Almost surely, 2^1331321102 is an apocalyptic number.

1331321102 is a deficient number, since it is larger than the sum of its proper divisors (851339890).

1331321102 is a wasteful number, since it uses less digits than its factorization.

1331321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263163.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1331321102 is about 36487.2731510591. The cubic root of 1331321102 is about 1100.0884507387.

Adding to 1331321102 its reverse (2011231331), we get a palindrome (3342552433).

The spelling of 1331321102 in words is "one billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred two".