31201343421024 has 48 divisors (see below), whose sum is σ = 93604030265088. Its totient is φ = 8914669548672.

The previous prime is 31201343421007. The next prime is 31201343421107. The reversal of 31201343421024 is 42012434310213.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 31201343420982 and 31201343421000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23215284612 + ... + 23215285955.

It is an arithmetic number, because the mean of its divisors is an integer number (1950083963856).

Almost surely, 2^{31201343421024} is an apocalyptic number.

It is an amenable number.

31201343421024 is an abundant number, since it is smaller than the sum of its proper divisors (62402686844064).

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

31201343421024 is a wasteful number, since it uses less digits than its factorization.

31201343421024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46430570587 (or 46430570579 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31201343421024 its reverse (42012434310213), we get a palindrome (73213777731237).

The spelling of 31201343421024 in words is "thirty-one trillion, two hundred one billion, three hundred forty-three million, four hundred twenty-one thousand, twenty-four".