1342431306 has 40 divisors (see below), whose sum is σ = 3039086820. Its totient is φ = 442858752.

The previous prime is 1342431289. The next prime is 1342431341. The reversal of 1342431306 is 6031342431.

1342431306 is a `hidden beast` number, since 1 + 342 + 4 + 313 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1160424225 + 182007081 = 34065^2 + 13491^2 .

It is a super-2 number, since 2×1342431306² = 3604243622657731272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1342431306.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27001 + ... + 58428.

Almost surely, 2^1342431306 is an apocalyptic number.

1342431306 is an abundant number, since it is smaller than the sum of its proper divisors (1696655514).

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

1342431306 is an equidigital number, since it uses as much as digits as its factorization.

1342431306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85540 (or 85531 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1342431306 is about 36639.2044946393. The cubic root of 1342431306 is about 1103.1401474657.

Adding to 1342431306 its reverse (6031342431), we get a palindrome (7373773737).

The spelling of 1342431306 in words is "one billion, three hundred forty-two million, four hundred thirty-one thousand, three hundred six".