1331073473 has 8 divisors (see below), whose sum is σ = 1344392640. Its totient is φ = 1317770800.

The previous prime is 1331073467. The next prime is 1331073539. The reversal of 1331073473 is 3743701331.

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 1331073473 - 2¹⁴ = 1331057089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331073433) 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, 215123 + ... + 221223.

It is an arithmetic number, because the mean of its divisors is an integer number (168049080).

Almost surely, 2^1331073473 is an apocalyptic number.

It is an amenable number.

1331073473 is a deficient number, since it is larger than the sum of its proper divisors (13319167).

1331073473 is a wasteful number, since it uses less digits than its factorization.

1331073473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 1331073473 is about 36483.8796319690. The cubic root of 1331073473 is about 1100.0202401234.

The spelling of 1331073473 in words is "one billion, three hundred thirty-one million, seventy-three thousand, four hundred seventy-three".