1001200313331 has 48 divisors (see below), whose sum is σ = 1528083228672. Its totient is φ = 630692092800.

The previous prime is 1001200313329. The next prime is 1001200313339. The reversal of 1001200313331 is 1333130021001.

It is a happy number.

1001200313331 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 20 + 0 + 313 + 331 = 666.

1001200313331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001200313331 - 2¹ = 1001200313329 is a prime.

It is a super-2 number, since 2×1001200313331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001200313339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38269351 + ... + 38295503.

It is an arithmetic number, because the mean of its divisors is an integer number (31835067264).

Almost surely, 2^{1001200313331} is an apocalyptic number.

1001200313331 is a deficient number, since it is larger than the sum of its proper divisors (526882915341).

1001200313331 is a wasteful number, since it uses less digits than its factorization.

1001200313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29424 (or 29421 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1001200313331 its reverse (1333130021001), we get a palindrome (2334330334332).

The spelling of 1001200313331 in words is "one trillion, one billion, two hundred million, three hundred thirteen thousand, three hundred thirty-one".