31354130033642 has 8 divisors (see below), whose sum is σ = 50648979285156. Its totient is φ = 14471136938592.

The previous prime is 31354130033641. The next prime is 31354130033651. The reversal of 31354130033642 is 24633003145313.

It can be written as a sum of positive squares in 2 ways, for example, as 22129977471001 + 9224152562641 = 4704251^2 + 3037129^2 .

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 = 31354130033596 and 31354130033605.

It is not an unprimeable number, because it can be changed into a prime (31354130033641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602964039083 + ... + 602964039134.

Almost surely, 2^{31354130033642} is an apocalyptic number.

31354130033642 is a deficient number, since it is larger than the sum of its proper divisors (19294849251514).

31354130033642 is a wasteful number, since it uses less digits than its factorization.

31354130033642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205928078232.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 31354130033642 its reverse (24633003145313), we get a palindrome (55987133178955).

The spelling of 31354130033642 in words is "thirty-one trillion, three hundred fifty-four billion, one hundred thirty million, thirty-three thousand, six hundred forty-two".