31356338234 has 8 divisors (see below), whose sum is σ = 50652546420. Its totient is φ = 14472156096.

The previous prime is 31356338231. The next prime is 31356338249. The reversal of 31356338234 is 43283365313.

It can be written as a sum of positive squares in 2 ways, for example, as 24484425625 + 6871912609 = 156475^2 + 82897^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31356338191 and 31356338200.

It is not an unprimeable number, because it can be changed into a prime (31356338231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 603006479 + ... + 603006530.

Almost surely, 2^31356338234 is an apocalyptic number.

31356338234 is a deficient number, since it is larger than the sum of its proper divisors (19296208186).

31356338234 is a wasteful number, since it uses less digits than its factorization.

31356338234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206013024.

The product of its digits is 466560, while the sum is 41.

The spelling of 31356338234 in words is "thirty-one billion, three hundred fifty-six million, three hundred thirty-eight thousand, two hundred thirty-four".