1431313242 has 8 divisors (see below), whose sum is σ = 2862626496. Its totient is φ = 477104412.

The previous prime is 1431313237. The next prime is 1431313243. The reversal of 1431313242 is 2423131341.

It is a happy number.

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

1431313242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1431313243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119276098 + ... + 119276109.

It is an arithmetic number, because the mean of its divisors is an integer number (357828312).

Almost surely, 2^1431313242 is an apocalyptic number.

1431313242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1431313242 is a wasteful number, since it uses less digits than its factorization.

1431313242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238552212.

The product of its digits is 1728, while the sum is 24.

The square root of 1431313242 is about 37832.7006966196. The cubic root of 1431313242 is about 1126.9679443389.

Adding to 1431313242 its reverse (2423131341), we get a palindrome (3854444583).

The spelling of 1431313242 in words is "one billion, four hundred thirty-one million, three hundred thirteen thousand, two hundred forty-two".