1431343242 has 48 divisors (see below), whose sum is σ = 3552636672. Its totient is φ = 407990880.

The previous prime is 1431343231. The next prime is 1431343247. The reversal of 1431343242 is 2423431341.

It is not an unprimeable number, because it can be changed into a prime (1431343247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41128 + ... + 67484.

It is an arithmetic number, because the mean of its divisors is an integer number (74013264).

Almost surely, 2^1431343242 is an apocalyptic number.

1431343242 is an abundant number, since it is smaller than the sum of its proper divisors (2121293430).

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

1431343242 is a wasteful number, since it uses less digits than its factorization.

1431343242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26803 (or 26800 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1431343242 is about 37833.0971769428. The cubic root of 1431343242 is about 1126.9758179479.

Adding to 1431343242 its reverse (2423431341), we get a palindrome (3854774583).

The spelling of 1431343242 in words is "one billion, four hundred thirty-one million, three hundred forty-three thousand, two hundred forty-two".