331203013020 has 96 divisors (see below), whose sum is σ = 1124082973440. Its totient is φ = 80291638080.

The previous prime is 331203013019. The next prime is 331203013067. The reversal of 331203013020 is 20310302133.

331203013020 is a `hidden beast` number, since 3 + 312 + 0 + 301 + 30 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 331203012984 and 331203013002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27873102 + ... + 27884981.

It is an arithmetic number, because the mean of its divisors is an integer number (11709197640).

Almost surely, 2^331203013020 is an apocalyptic number.

331203013020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331203013020 is an abundant number, since it is smaller than the sum of its proper divisors (792879960420).

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

331203013020 is a wasteful number, since it uses less digits than its factorization.

331203013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55758112 (or 55758104 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 331203013020 its reverse (20310302133), we get a palindrome (351513315153).

The spelling of 331203013020 in words is "three hundred thirty-one billion, two hundred three million, thirteen thousand, twenty".