31021412042 has 8 divisors (see below), whose sum is σ = 46532944800. Its totient is φ = 15510430444.

The previous prime is 31021412039. The next prime is 31021412063. The reversal of 31021412042 is 24021412013.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59309 + ... + 256047.

It is an arithmetic number, because the mean of its divisors is an integer number (5816618100).

Almost surely, 2^31021412042 is an apocalyptic number.

31021412042 is a deficient number, since it is larger than the sum of its proper divisors (15511532758).

31021412042 is a wasteful number, since it uses less digits than its factorization.

31021412042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275580.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31021412042 its reverse (24021412013), we get a palindrome (55042824055).

The spelling of 31021412042 in words is "thirty-one billion, twenty-one million, four hundred twelve thousand, forty-two".