1331302094 has 4 divisors (see below), whose sum is σ = 1996953144. Its totient is φ = 665651046.

The previous prime is 1331302073. The next prime is 1331302097. The reversal of 1331302094 is 4902031331.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331302097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332825522 + ... + 332825525.

It is an arithmetic number, because the mean of its divisors is an integer number (499238286).

Almost surely, 2^1331302094 is an apocalyptic number.

1331302094 is a deficient number, since it is larger than the sum of its proper divisors (665651050).

1331302094 is an equidigital number, since it uses as much as digits as its factorization.

1331302094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665651049.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1331302094 is about 36487.0126757453. The cubic root of 1331302094 is about 1100.0832151922.

The spelling of 1331302094 in words is "one billion, three hundred thirty-one million, three hundred two thousand, ninety-four".