3011020331985 has 64 divisors (see below), whose sum is σ = 5730160896000. Its totient is φ = 1495571843520.

The previous prime is 3011020331959. The next prime is 3011020332029. The reversal of 3011020331985 is 5891330201103.

3011020331985 is a `hidden beast` number, since 301 + 10 + 2 + 0 + 331 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 3011020331985 - 2¹³ = 3011020323793 is a prime.

It is a super-2 number, since 2×3011020331985² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9796861 + ... + 10099530.

It is an arithmetic number, because the mean of its divisors is an integer number (89533764000).

Almost surely, 2^{3011020331985} is an apocalyptic number.

It is an amenable number.

3011020331985 is a deficient number, since it is larger than the sum of its proper divisors (2719140564015).

3011020331985 is a wasteful number, since it uses less digits than its factorization.

3011020331985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19896483 (or 19896477 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 3011020331985 in words is "three trillion, eleven billion, twenty million, three hundred thirty-one thousand, nine hundred eighty-five".