31226435342 has 4 divisors (see below), whose sum is σ = 46839653016. Its totient is φ = 15613217670.

The previous prime is 31226435281. The next prime is 31226435371. The reversal of 31226435342 is 24353462213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7806608834 + ... + 7806608837.

It is an arithmetic number, because the mean of its divisors is an integer number (11709913254).

Almost surely, 2^31226435342 is an apocalyptic number.

31226435342 is a deficient number, since it is larger than the sum of its proper divisors (15613217674).

31226435342 is a wasteful number, since it uses less digits than its factorization.

31226435342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15613217673.

The product of its digits is 103680, while the sum is 35.

Adding to 31226435342 its reverse (24353462213), we get a palindrome (55579897555).

The spelling of 31226435342 in words is "thirty-one billion, two hundred twenty-six million, four hundred thirty-five thousand, three hundred forty-two".