1431111313 has 8 divisors (see below), whose sum is σ = 1494376128. Its totient is φ = 1367933424.

The previous prime is 1431111259. The next prime is 1431111347. The reversal of 1431111313 is 3131111341.

It is a happy number.

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 1431111313 - 2¹⁷ = 1430980241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431112313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13131 + ... + 55087.

It is an arithmetic number, because the mean of its divisors is an integer number (186797016).

Almost surely, 2^1431111313 is an apocalyptic number.

It is an amenable number.

1431111313 is a deficient number, since it is larger than the sum of its proper divisors (63264815).

1431111313 is a wasteful number, since it uses less digits than its factorization.

1431111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43463.

The product of its digits is 108, while the sum is 19.

The square root of 1431111313 is about 37830.0318926643. The cubic root of 1431111313 is about 1126.9149444770.

Adding to 1431111313 its reverse (3131111341), we get a palindrome (4562222654).

The spelling of 1431111313 in words is "one billion, four hundred thirty-one million, one hundred eleven thousand, three hundred thirteen".