1314531219 has 8 divisors (see below), whose sum is σ = 1760362960. Its totient is φ = 872526816.

The previous prime is 1314531149. The next prime is 1314531233. The reversal of 1314531219 is 9121354131.

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

It is not a de Polignac number, because 1314531219 - 2⁷ = 1314531091 is a prime.

It is a super-2 number, since 2×1314531219² = 3455984651451251922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314531619) 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, 956032 + ... + 957405.

It is an arithmetic number, because the mean of its divisors is an integer number (220045370).

Almost surely, 2^1314531219 is an apocalyptic number.

1314531219 is a deficient number, since it is larger than the sum of its proper divisors (445831741).

1314531219 is a wasteful number, since it uses less digits than its factorization.

1314531219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913669.

The product of its digits is 3240, while the sum is 30.

The square root of 1314531219 is about 36256.4645132423. The cubic root of 1314531219 is about 1095.4443041730. Note that the first 3 decimals are identical.

The spelling of 1314531219 in words is "one billion, three hundred fourteen million, five hundred thirty-one thousand, two hundred nineteen".