31131413412434 has 8 divisors (see below), whose sum is σ = 46697155575420. Its totient is φ = 15565694887296.

The previous prime is 31131413412391. The next prime is 31131413412481. The reversal of 31131413412434 is 43421431413113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30171983367409 + 959430045025 = 5492903^2 + 979505^2 .

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 = 31131413412394 and 31131413412403.

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, 2134679 + ... + 8174330.

Almost surely, 2^{31131413412434} is an apocalyptic number.

31131413412434 is a deficient number, since it is larger than the sum of its proper divisors (15565742162986).

31131413412434 is a wasteful number, since it uses less digits than its factorization.

31131413412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818924.

The product of its digits is 41472, while the sum is 35.

Adding to 31131413412434 its reverse (43421431413113), we get a palindrome (74552844825547).

The spelling of 31131413412434 in words is "thirty-one trillion, one hundred thirty-one billion, four hundred thirteen million, four hundred twelve thousand, four hundred thirty-four".