331938910442 has 16 divisors (see below), whose sum is σ = 498268895040. Its totient is φ = 165849321792.

The previous prime is 331938910421. The next prime is 331938910453. The reversal of 331938910442 is 244019839133.

It is a happy number.

It is a super-3 number, since 3×331938910442³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 24485138 + ... + 24498690.

It is an arithmetic number, because the mean of its divisors is an integer number (31141805940).

Almost surely, 2^331938910442 is an apocalyptic number.

331938910442 is a deficient number, since it is larger than the sum of its proper divisors (166329984598).

331938910442 is a wasteful number, since it uses less digits than its factorization.

331938910442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21517.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 331938910442 in words is "three hundred thirty-one billion, nine hundred thirty-eight million, nine hundred ten thousand, four hundred forty-two".