31341421024 has 24 divisors (see below), whose sum is σ = 63831128760. Its totient is φ = 15130340736.

The previous prime is 31341421003. The next prime is 31341421043. The reversal of 31341421024 is 42012414313.

It is a self number, because there is not a number n which added to its sum of digits gives 31341421024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16885614 + ... + 16887469.

It is an arithmetic number, because the mean of its divisors is an integer number (2659630365).

Almost surely, 2^31341421024 is an apocalyptic number.

It is an amenable number.

31341421024 is an abundant number, since it is smaller than the sum of its proper divisors (32489707736).

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

31341421024 is a wasteful number, since it uses less digits than its factorization.

31341421024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773122 (or 33773114 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31341421024 its reverse (42012414313), we get a palindrome (73353835337).

The spelling of 31341421024 in words is "thirty-one billion, three hundred forty-one million, four hundred twenty-one thousand, twenty-four".