31534434506 has 16 divisors (see below), whose sum is σ = 48415856544. Its totient is φ = 15396030384.

The previous prime is 31534434473. The next prime is 31534434571. The reversal of 31534434506 is 60543443513.

It is a super-2 number, since 2×31534434506² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31534434506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251945 + ... + 355731.

It is an arithmetic number, because the mean of its divisors is an integer number (3025991034).

Almost surely, 2^31534434506 is an apocalyptic number.

31534434506 is a deficient number, since it is larger than the sum of its proper divisors (16881422038).

31534434506 is a wasteful number, since it uses less digits than its factorization.

31534434506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107365.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 31534434506 in words is "thirty-one billion, five hundred thirty-four million, four hundred thirty-four thousand, five hundred six".