1431430242 has 24 divisors (see below), whose sum is σ = 3146782128. Its totient is φ = 433766520.

The previous prime is 1431430237. The next prime is 1431430267. The reversal of 1431430242 is 2420341341.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985108 + ... + 986559.

It is an arithmetic number, because the mean of its divisors is an integer number (131115922).

Almost surely, 2^1431430242 is an apocalyptic number.

1431430242 is an abundant number, since it is smaller than the sum of its proper divisors (1715351886).

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

1431430242 is a wasteful number, since it uses less digits than its factorization.

1431430242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971694 (or 1971683 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1431430242 is about 37834.2469463844. The cubic root of 1431430242 is about 1126.9986507916.

Adding to 1431430242 its reverse (2420341341), we get a palindrome (3851771583).

The spelling of 1431430242 in words is "one billion, four hundred thirty-one million, four hundred thirty thousand, two hundred forty-two".