1431494316 has 192 divisors, whose sum is σ = 4637122560. Its totient is φ = 372418560.

The previous prime is 1431494293. The next prime is 1431494327. The reversal of 1431494316 is 6134941341.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 396616 + ... + 400208.

It is an arithmetic number, because the mean of its divisors is an integer number (24151680).

Almost surely, 2^1431494316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431494316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318561280).

1431494316 is an abundant number, since it is smaller than the sum of its proper divisors (3205628244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431494316 is a wasteful number, since it uses less digits than its factorization.

1431494316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3653 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1431494316 is about 37835.0937094122. The cubic root of 1431494316 is about 1127.0154661958.

The spelling of 1431494316 in words is "one billion, four hundred thirty-one million, four hundred ninety-four thousand, three hundred sixteen".