1431342542 has 16 divisors (see below), whose sum is σ = 2582874240. Its totient is φ = 581146488.

The previous prime is 1431342541. The next prime is 1431342569. The reversal of 1431342542 is 2452431341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431342541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690228 + ... + 2690759.

It is an arithmetic number, because the mean of its divisors is an integer number (161429640).

Almost surely, 2^1431342542 is an apocalyptic number.

1431342542 is a deficient number, since it is larger than the sum of its proper divisors (1151531698).

1431342542 is a wasteful number, since it uses less digits than its factorization.

1431342542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381015.

The product of its digits is 11520, while the sum is 29.

The square root of 1431342542 is about 37833.0879257826. The cubic root of 1431342542 is about 1126.9756342316.

Adding to 1431342542 its reverse (2452431341), we get a palindrome (3883773883).

The spelling of 1431342542 in words is "one billion, four hundred thirty-one million, three hundred forty-two thousand, five hundred forty-two".