1431200242 has 8 divisors (see below), whose sum is σ = 2152320300. Its totient is φ = 713760144.

The previous prime is 1431200237. The next prime is 1431200249. The reversal of 1431200242 is 2420021341.

It can be written as a sum of positive squares in 2 ways, for example, as 1394947801 + 36252441 = 37349^2 + 6021^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1431200249) 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, 919017 + ... + 920572.

Almost surely, 2^1431200242 is an apocalyptic number.

1431200242 is a deficient number, since it is larger than the sum of its proper divisors (721120058).

1431200242 is a wasteful number, since it uses less digits than its factorization.

1431200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839980.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1431200242 is about 37831.2072500998. The cubic root of 1431200242 is about 1126.9382860910.

Adding to 1431200242 its reverse (2420021341), we get a palindrome (3851221583).

The spelling of 1431200242 in words is "one billion, four hundred thirty-one million, two hundred thousand, two hundred forty-two".