331000003030020 has 48 divisors (see below), whose sum is σ = 926815577442048. Its totient is φ = 88265184716800.

The previous prime is 331000003029989. The next prime is 331000003030031. The reversal of 331000003030020 is 20030300000133.

It is a super-2 number, since 2×331000003030020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42732381 + ... + 49880420.

It is an arithmetic number, because the mean of its divisors is an integer number (19308657863376).

Almost surely, 2^{331000003030020} is an apocalyptic number.

331000003030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331000003030020 is an abundant number, since it is smaller than the sum of its proper divisors (595815574412028).

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

331000003030020 is a wasteful number, since it uses less digits than its factorization.

331000003030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92672380 (or 92672378 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 331000003030020 its reverse (20030300000133), we get a palindrome (351030303030153).

The spelling of 331000003030020 in words is "three hundred thirty-one trillion, three million, thirty thousand, twenty".