1431342 has 24 divisors (see below), whose sum is σ = 3383640. Its totient is φ = 433680.

The previous prime is 1431337. The next prime is 1431347. The reversal of 1431342 is 2431341.

It is an interprime number because it is at equal distance from previous prime (1431337) and next prime (1431347).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3417 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (140985).

2^1431342 is an apocalyptic number.

1431342 is an abundant number, since it is smaller than the sum of its proper divisors (1952298).

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

1431342 is a wasteful number, since it uses less digits than its factorization.

1431342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248 (or 7245 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1431342 is about 1196.3870611136. The cubic root of 1431342 is about 112.6975491983.

Adding to 1431342 its reverse (2431341), we get a palindrome (3862683).

Subtracting 1431342 from its reverse (2431341), we obtain a palindrome (999999).

It can be divided in two parts, 143 and 1342, that added together give a triangular number (1485 = T₅₄).

The spelling of 1431342 in words is "one million, four hundred thirty-one thousand, three hundred forty-two".