1001232120331 has 8 divisors (see below), whose sum is σ = 1006632025344. Its totient is φ = 995844283560.

The previous prime is 1001232120319. The next prime is 1001232120367. The reversal of 1001232120331 is 1330212321001.

1001232120331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1001232120331 - 2⁵ = 1001232120299 is a prime.

It is a super-2 number, since 2×1001232120331² (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 = 1001232120299 and 1001232120308.

It is not an unprimeable number, because it can be changed into a prime (1001232120731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2850661 + ... + 3182566.

It is an arithmetic number, because the mean of its divisors is an integer number (125829003168).

Almost surely, 2^{1001232120331} is an apocalyptic number.

1001232120331 is a deficient number, since it is larger than the sum of its proper divisors (5399905013).

1001232120331 is an equidigital number, since it uses as much as digits as its factorization.

1001232120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034121.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001232120331 its reverse (1330212321001), we get a palindrome (2331444441332).

The spelling of 1001232120331 in words is "one trillion, one billion, two hundred thirty-two million, one hundred twenty thousand, three hundred thirty-one".