1011032321331 has 8 divisors (see below), whose sum is σ = 1348048746640. Its totient is φ = 674018721792.

The previous prime is 1011032321323. The next prime is 1011032321353. The reversal of 1011032321331 is 1331232301101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011032321331 - 2³ = 1011032321323 is a prime.

It is a super-2 number, since 2×1011032321331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011032321298 and 1011032321307.

It is not an unprimeable number, because it can be changed into a prime (1011032321231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 357171 + ... + 1466163.

It is an arithmetic number, because the mean of its divisors is an integer number (168506093330).

Almost surely, 2^{1011032321331} is an apocalyptic number.

1011032321331 is a deficient number, since it is larger than the sum of its proper divisors (337016425309).

1011032321331 is a wasteful number, since it uses less digits than its factorization.

1011032321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412885.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1011032321331 its reverse (1331232301101), we get a palindrome (2342264622432).

The spelling of 1011032321331 in words is "one trillion, eleven billion, thirty-two million, three hundred twenty-one thousand, three hundred thirty-one".