331021432422140 has 48 divisors (see below), whose sum is σ = 703437726954144. Its totient is φ = 130838326444800.

The previous prime is 331021432422073. The next prime is 331021432422157. The reversal of 331021432422140 is 41224234120133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 331021432422097 and 331021432422106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290649446 + ... + 291786125.

It is an arithmetic number, because the mean of its divisors is an integer number (14654952644878).

Almost surely, 2^{331021432422140} is an apocalyptic number.

It is an amenable number.

331021432422140 is an abundant number, since it is smaller than the sum of its proper divisors (372416294532004).

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

331021432422140 is a wasteful number, since it uses less digits than its factorization.

331021432422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582435918 (or 582435916 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 331021432422140 its reverse (41224234120133), we get a palindrome (372245666542273).

The spelling of 331021432422140 in words is "three hundred thirty-one trillion, twenty-one billion, four hundred thirty-two million, four hundred twenty-two thousand, one hundred forty".