31254240332 has 24 divisors (see below), whose sum is σ = 62517171360. Its totient is φ = 13392812160.

The previous prime is 31254240319. The next prime is 31254240343. The reversal of 31254240332 is 23304245213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31254240295 and 31254240304.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137894 + ... + 285522.

It is an arithmetic number, because the mean of its divisors is an integer number (2604882140).

Almost surely, 2^31254240332 is an apocalyptic number.

It is an amenable number.

31254240332 is an abundant number, since it is smaller than the sum of its proper divisors (31262931028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31254240332 is a wasteful number, since it uses less digits than its factorization.

31254240332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155201 (or 155199 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 31254240332 its reverse (23304245213), we get a palindrome (54558485545).

The spelling of 31254240332 in words is "thirty-one billion, two hundred fifty-four million, two hundred forty thousand, three hundred thirty-two".