331320201033340 has 24 divisors (see below), whose sum is σ = 695830206283632. Its totient is φ = 132517073915520.

The previous prime is 331320201033337. The next prime is 331320201033379. The reversal of 331320201033340 is 43330102023133.

It is a super-2 number, since 2×331320201033340² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331320201033299 and 331320201033308.

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, 687659274 + ... + 688140913.

It is an arithmetic number, because the mean of its divisors is an integer number (28992925261818).

Almost surely, 2^{331320201033340} is an apocalyptic number.

It is an amenable number.

331320201033340 is an abundant number, since it is smaller than the sum of its proper divisors (364510005250292).

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

331320201033340 is a wasteful number, since it uses less digits than its factorization.

331320201033340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375812237 (or 1375812235 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 331320201033340 its reverse (43330102023133), we get a palindrome (374650303056473).

The spelling of 331320201033340 in words is "three hundred thirty-one trillion, three hundred twenty billion, two hundred one million, thirty-three thousand, three hundred forty".