1231441342 has 16 divisors (see below), whose sum is σ = 1961167680. Its totient is φ = 577916928.

The previous prime is 1231441271. The next prime is 1231441397. The reversal of 1231441342 is 2431441321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36867 + ... + 61822.

It is an arithmetic number, because the mean of its divisors is an integer number (122572980).

Almost surely, 2^1231441342 is an apocalyptic number.

1231441342 is a deficient number, since it is larger than the sum of its proper divisors (729726338).

1231441342 is a wasteful number, since it uses less digits than its factorization.

1231441342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99075.

The product of its digits is 2304, while the sum is 25.

The square root of 1231441342 is about 35091.8985237334. The cubic root of 1231441342 is about 1071.8596194128.

Adding to 1231441342 its reverse (2431441321), we get a palindrome (3662882663).

The spelling of 1231441342 in words is "one billion, two hundred thirty-one million, four hundred forty-one thousand, three hundred forty-two".