31134434605 has 8 divisors (see below), whose sum is σ = 37362326112. Its totient is φ = 24906877968.

The previous prime is 31134434567. The next prime is 31134434609. The reversal of 31134434605 is 50643443113.

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

It is a cyclic number.

It is not a de Polignac number, because 31134434605 - 2¹¹ = 31134432557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134434609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222982 + ... + 334648.

It is an arithmetic number, because the mean of its divisors is an integer number (4670290764).

Almost surely, 2^31134434605 is an apocalyptic number.

It is an amenable number.

31134434605 is a deficient number, since it is larger than the sum of its proper divisors (6227891507).

31134434605 is a wasteful number, since it uses less digits than its factorization.

31134434605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167435.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 31134434605 its reverse (50643443113), we get a palindrome (81777877718).

The spelling of 31134434605 in words is "thirty-one billion, one hundred thirty-four million, four hundred thirty-four thousand, six hundred five".