31532240054 has 32 divisors (see below), whose sum is σ = 56310988800. Its totient is φ = 12957887520.

The previous prime is 31532240029. The next prime is 31532240063. The reversal of 31532240054 is 45004223513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31532239999 and 31532240026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285974 + ... + 380585.

It is an arithmetic number, because the mean of its divisors is an integer number (1759718400).

Almost surely, 2^31532240054 is an apocalyptic number.

31532240054 is a deficient number, since it is larger than the sum of its proper divisors (24778748746).

31532240054 is a wasteful number, since it uses less digits than its factorization.

31532240054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666708.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 31532240054 its reverse (45004223513), we get a palindrome (76536463567).

The spelling of 31532240054 in words is "thirty-one billion, five hundred thirty-two million, two hundred forty thousand, fifty-four".