30311032003020 has 72 divisors (see below), whose sum is σ = 92051252560176. Its totient is φ = 8073465927552.

The previous prime is 30311032003009. The next prime is 30311032003033. The reversal of 30311032003020 is 2030023011303.

30311032003020 is a `hidden beast` number, since 3 + 0 + 31 + 10 + 320 + 0 + 302 + 0 = 666.

It is a super-2 number, since 2×30311032003020² (a number of 28 digits) contains 22 as substring.

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 = 30311032002984 and 30311032003002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98553742 + ... + 98860821.

Almost surely, 2^{30311032003020} is an apocalyptic number.

30311032003020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311032003020 is an abundant number, since it is smaller than the sum of its proper divisors (61740220557156).

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

30311032003020 is a wasteful number, since it uses less digits than its factorization.

30311032003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197415431 (or 197415426 counting only the distinct ones).

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

Adding to 30311032003020 its reverse (2030023011303), we get a palindrome (32341055014323).

The spelling of 30311032003020 in words is "thirty trillion, three hundred eleven billion, thirty-two million, three thousand, twenty".