1431494317 has 16 divisors (see below), whose sum is σ = 1623919680. Its totient is φ = 1249920000.

The previous prime is 1431494293. The next prime is 1431494327. The reversal of 1431494317 is 7134941341.

It is a cyclic number.

It is not a de Polignac number, because 1431494317 - 2¹¹ = 1431492269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431494327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49942 + ... + 73192.

It is an arithmetic number, because the mean of its divisors is an integer number (101494980).

Almost surely, 2^1431494317 is an apocalyptic number.

It is an amenable number.

1431494317 is a deficient number, since it is larger than the sum of its proper divisors (192425363).

1431494317 is a wasteful number, since it uses less digits than its factorization.

1431494317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23484.

The product of its digits is 36288, while the sum is 37.

The square root of 1431494317 is about 37835.0937226274. The cubic root of 1431494317 is about 1127.0154664582.

The spelling of 1431494317 in words is "one billion, four hundred thirty-one million, four hundred ninety-four thousand, three hundred seventeen".