31434021404242 has 8 divisors (see below), whose sum is σ = 47170144814256. Its totient is φ = 15710639799492.

The previous prime is 31434021404231. The next prime is 31434021404263. The reversal of 31434021404242 is 24240412043413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31434021404198 and 31434021404207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3185445148 + ... + 3185455015.

It is an arithmetic number, because the mean of its divisors is an integer number (5896268101782).

Almost surely, 2^{31434021404242} is an apocalyptic number.

31434021404242 is a deficient number, since it is larger than the sum of its proper divisors (15736123410014).

31434021404242 is a wasteful number, since it uses less digits than its factorization.

31434021404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370902632.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 31434021404242 its reverse (24240412043413), we get a palindrome (55674433447655).

The spelling of 31434021404242 in words is "thirty-one trillion, four hundred thirty-four billion, twenty-one million, four hundred four thousand, two hundred forty-two".