31254142454032 has 20 divisors (see below), whose sum is σ = 60556206186496. Its totient is φ = 15626734405920.

The previous prime is 31254142453997. The next prime is 31254142454141. The reversal of 31254142454032 is 23045424145213.

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 3 ways as a sum of consecutive naturals, for example, 20284944 + ... + 21771247.

Almost surely, 2^{31254142454032} is an apocalyptic number.

It is an amenable number.

31254142454032 is a deficient number, since it is larger than the sum of its proper divisors (29302063732464).

31254142454032 is a wasteful number, since it uses less digits than its factorization.

31254142454032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102646 (or 42102640 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 31254142454032 its reverse (23045424145213), we get a palindrome (54299566599245).

The spelling of 31254142454032 in words is "thirty-one trillion, two hundred fifty-four billion, one hundred forty-two million, four hundred fifty-four thousand, thirty-two".