1431302242 has 8 divisors (see below), whose sum is σ = 2147346432. Its totient is φ = 715520100.

The previous prime is 1431302237. The next prime is 1431302263. The reversal of 1431302242 is 2422031341.

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

It is a super-2 number, since 2×1431302242² = 4097252215908453128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51234 + ... + 74077.

It is an arithmetic number, because the mean of its divisors is an integer number (268418304).

Almost surely, 2^1431302242 is an apocalyptic number.

1431302242 is a deficient number, since it is larger than the sum of its proper divisors (716044190).

1431302242 is a wasteful number, since it uses less digits than its factorization.

1431302242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131024.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1431302242 is about 37832.5553194600. Note that the first 3 decimals coincide. The cubic root of 1431302242 is about 1126.9650573214.

Adding to 1431302242 its reverse (2422031341), we get a palindrome (3853333583).

The spelling of 1431302242 in words is "one billion, four hundred thirty-one million, three hundred two thousand, two hundred forty-two".