1331930433 has 8 divisors (see below), whose sum is σ = 1880372448. Its totient is φ = 835721024.

The previous prime is 1331930371. The next prime is 1331930443. The reversal of 1331930433 is 3340391331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331930433 - 2¹⁰ = 1331929409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331930433.

It is not an unprimeable number, because it can be changed into a prime (1331930443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13058091 + ... + 13058192.

It is an arithmetic number, because the mean of its divisors is an integer number (235046556).

Almost surely, 2^1331930433 is an apocalyptic number.

It is an amenable number.

1331930433 is a deficient number, since it is larger than the sum of its proper divisors (548442015).

1331930433 is a wasteful number, since it uses less digits than its factorization.

1331930433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26116303.

The product of its (nonzero) digits is 8748, while the sum is 30.

The square root of 1331930433 is about 36495.6221073158. The cubic root of 1331930433 is about 1100.2562579279.

The spelling of 1331930433 in words is "one billion, three hundred thirty-one million, nine hundred thirty thousand, four hundred thirty-three".