1331130302 has 8 divisors (see below), whose sum is σ = 1999545912. Its totient is φ = 664615000.

The previous prime is 1331130301. The next prime is 1331130319. The reversal of 1331130302 is 2030311331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1331130302² = 3543815761805222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331130301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473324 + ... + 476127.

It is an arithmetic number, because the mean of its divisors is an integer number (249943239).

Almost surely, 2^1331130302 is an apocalyptic number.

1331130302 is a deficient number, since it is larger than the sum of its proper divisors (668415610).

1331130302 is an equidigital number, since it uses as much as digits as its factorization.

1331130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950154.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331130302 is about 36484.6584470788. The cubic root of 1331130302 is about 1100.0358946965.

Adding to 1331130302 its reverse (2030311331), we get a palindrome (3361441633).

The spelling of 1331130302 in words is "one billion, three hundred thirty-one million, one hundred thirty thousand, three hundred two".